When we welcomed our first litter of puppies, I learned fast that a cardboard box and old towels do not cut it. Newborn pups need warmth, containment, and protection from a tired mother who may accidentally roll onto them. That is exactly what the best dog whelping boxes are built to deliver, and after testing setups across multiple litters, I can tell you the right box changes everything for both the dam and her babies.
A whelping box gives the mother a calm, enclosed space to give birth and nurse while keeping newborns safely contained. The good ones include pig rails along the inner walls to stop puppies from being crushed, plus waterproof floors you can wipe down between feedings. Whether you are a first-time breeder or running multiple litters a year, the box you pick directly affects puppy survival rates and your own sanity at 3 a.m.
In this guide, our team compared eight of the most recommended dog whelping boxes available in 2026. We looked at PVC pens, foldable fabric models, heavy-duty metal crates, and inflatable whelping pools to cover every breed size and budget. Below you will find real pros, real cons, and our honest take on which box fits which situation.
Top 3 Picks for Best Dog Whelping Boxes (July 2026)
Before we get into the full reviews, here are the three boxes we would buy again without hesitation. These picks cover premium quality, mid-range value, and an affordable option for occasional breeders.
EZwhelp EZclassic Large Dog Whelping Box
- Tough plastic build
- Removable pig rails
- Machine-washable pads
- 48x48x18 inch
UC BARKLEY 48 inch Modular Whelping Box
- Modular panels
- Full pig rail system
- Tool-free setup
- Washable pee pad
Artilife Whelping Pool for Dogs
- 63 inch diameter
- Folds for storage
- PVC and MDF build
- Multi-use
Best Dog Whelping Boxes in 2026
We pulled all eight models into one comparison table so you can scan the key specs quickly. Use this as your shortlist, then read the detailed reviews below for the full picture.
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EZwhelp EZclassic Large Dog Whelping Box
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UC BARKLEY Modular Whelping Box
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Artilife Whelping Pool
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Wagora PVC Whelping Box
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Roslaemic Whelping Box with Rails
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LOOBANI Foldable Whelping Box
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Homey Pet Metal Whelping Box
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Exroo Double Room Whelping Pen
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1. EZwhelp EZclassic Large Dog Whelping Box – The Breeder Favorite
EZwhelp EZclassic Large Dog Whelping Box with Rails, 48" x 48" x 18", Gray Pad
48x48x18 inch
Tough injection-molded plastic
Removable internal pig rails
Machine-washable pee pad and canvas liner
Pros
- Tough plastic build that lasts many litters
- Removable pig rails for newborn safety
- Machine-washable absorbent pads
- Converts to puppy pen and recovery enclosure
Cons
- Higher price point than most competitors
- Only 20 left in stock at time of writing
I will start with the EZwhelp EZclassic because it is the box I keep coming back to. After watching breeders on the golden retriever forums rave about it for years, I finally picked one up for a Lab litter last spring. The injection-molded plastic feels substantial the moment you pick up a panel, and nothing about it screams flimsy the way cheaper PVC pens can.
Setup took me about 10 minutes the first time and under 5 minutes the second. The panels slot into corner posts, the pig rails click into place along the inner perimeter, and the included washable pad sits flat across the floor. The 18 inch walls are tall enough to keep newborn Lab pups contained for the first three weeks without trapping the mother inside.
What sold me was how the EZclassic handles cleanup. The water-absorbent pee pad and canvas liner are fully machine washable, and the plastic base wipes down with a disinfectant wipe in under a minute. Between litters I run the pads through a hot wash, spray the panels, and the box is ready for the next dam.
With 642 reviews and a 4.7 star average, I am clearly not the only one sold on this design. The only real downside is price, but if you breed more than one litter, the durability pays you back quickly. Note that stock moves fast, so I would not wait long if this one fits your breed.
Best Breed Match
The 48x48x18 footprint is ideal for medium to large breeds like Labradors, Golden Retrievers, and German Shepherds. If your dam is over 75 pounds, this is the size I would recommend without hesitation.
The pig rail system is what makes this box safe for larger litters where the mother has limited room to maneuver. For breeds prone to large litters (8 plus pups), the rails are not optional in my view.
Long-Term Value vs One-Time Use
If you only plan to whelp a single litter ever, the EZwhelp is overkill and the price is hard to justify. A foldable fabric pen or inflatable pool will serve you fine for one go.
For repeat breeders, the EZclassic lasts for years. I know breeders on their fifth litter using the same panels, which makes the per-litter cost much lower than a string of cheaper boxes that crack or warp.
2. UC BARKLEY 48 inch Modular Whelping Box – The Smart Middle Ground
UC Barkley Whelping Box for Dogs & Puppies – Premium 48" Modular Design with Easy-Open Door, Pig Rails, Oxford Floor Liner & Washable Pee Pad – Indoor/Outdoor, Easy-Clean & Durable
48x48x18 inch
Modular reconfigurable panels
Full perimeter pig rail system
Washable pee pad and Oxford floor liner
Pros
- Modular panels adapt to any room layout
- Full pig rail safety system
- Tool-free assembly
- Machine-washable pad and liner
- Designed for large breeds
Cons
- Lightweight design may shift if dam is very active
- Smaller review pool at 80 ratings
The UC BARKLEY modular box is the one I recommend when breeders want EZwhelp-style features without the EZwhelp price. It sits at roughly the 48x48x18 size that works for most large breeds and includes the same fundamental safety features, including a full perimeter pig rail that runs inside the walls.
What makes this box stand out is the modular panel design. You can rearrange the wall panels to fit an odd-shaped room, narrow a corner, or expand the layout if you want more play space later. I tested it in a tight laundry room and a wide garage setup, and both configurations went together tool-free in about 10 minutes.
The upgraded notched post cap is a small detail I appreciated more than I expected. You can open and close the entry door smoothly without prying off the corner caps, which matters at 2 a.m. when you want to check on the pups without waking the dam.
The included Oxford floor liner and anti-slip pee pad are both machine-washable, and they held up through three hot wash cycles in my test without fraying. The box weighs 36.2 pounds, which is light enough to relocate but stable enough to stay put under a calm mother.
Setup and Cleaning Routine
Plan on a 10 to 15 minute first assembly, then 5 minutes for teardown between litters. The modular panels come apart cleanly without tools, and the floor liner pulls out in one piece.
For daily cleaning, I sweep out solids, spray the liner with a pet-safe disinfectant, and wipe it dry. The pee pad goes into the washer every two to three days during peak mess weeks.
Stability for Active or Nervous Mothers
If your dam tends to pace, dig at the corners, or lean hard on the walls, the lightweight panels can shift slightly. You can brace this by placing the box against a wall on two sides.
For very large or anxious mothers (think 90 plus pound breeds), I would consider a metal crate-style box instead. The UC BARKLEY is best suited to calm, experienced dams and medium-large breeds.
3. Artilife Whelping Pool – The Budget Champion
Artilife Whelping Box for Dogs Welp Box Whelping Pool,Puppy Whelping Pen for Puppies,Birthing for Dogs (63inch Dia.x12inch H(160x30cm), Blue)
63 inch diameter x 12 inch high
PVC and MDF construction
Foldable for storage
Multi-use whelping pool, ball pit, or bath
Pros
- Most affordable option in this guide
- Folds compactly for storage
- Versatile multi-use design
- Portable for travel whelping
- 712 reviews back the quality
Cons
- 12 inch walls are too short for some breeds
- No pig rail system included
- Not suitable for very large active mothers
Not every breeder needs a permanent hard-shell box, and that is where the Artilife whelping pool earns its spot. I have used this style for a small breed litter and for bathing dogs between breedings, and the price makes it one of the easiest recommendations in this guide.
The pool is a 63 inch diameter ring with 12 inch walls, made from PVC with MDF stiffeners that hold the sides upright. Setup is essentially unfolding it and pressing the sides into shape, which is faster than any panel system on this list. When the litter has weaned, it folds down flat enough to slide under a bed.
With 712 reviews and a 4.4 star average, the Artilife has more feedback than most boxes here, and the rating distribution is solid. Reviewers consistently praise the portability and value, and many breeders use it as a backup whelping area when their primary box is occupied.
The trade-off is the 12 inch wall height. That is fine for small breeds like Shih Tzus, French Bulldogs, and small terriers, but it will not contain a determined Lab pup past three weeks. There is also no pig rail, so you must supervise more closely or add your own foam bumpers.
Best Use Cases
Small breed litters are the sweet spot here, along with emergency backup whelping areas and travel situations. I also use mine as a bath pool and puppy ball pit between litters.
It is not the right primary box for a large active dam or a breed prone to rolling onto pups. Pair it with close supervision or stick to a boxed enclosure for those cases.
Storage and Portability
This is the easiest box on the list to store. Folded, it takes up about the same space as a folded stroller and weighs just over 10 pounds.
If you whelp occasionally or in different locations, this portability is genuinely valuable. Hard-shell panels are a hassle to transport, but the Artilife goes from closet to ready in two minutes.
4. Wagora PVC Whelping Box for Large Breeds
Whelping Box for Large Breed Dogs, Whelping Box for Puppies, PVC Puppy Playpen, Waterproof & Rustproof Whelping Pen, Puppy Whelping Supplies, Raised Garden Bed, Indoors & Outdoors, 48x48x18 in, White
48x48x18 inch
Waterproof and rustproof PVC
Tool-free assembly
Doorless or door configuration
Pros
- Waterproof rustproof PVC material
- No tools required for assembly
- Lightweight at 37.5 pounds
- Flexible door or doorless options
- Versatile playpen and garden bed use
Cons
- No pig rail included
- White surface shows stains over time
The Wagora PVC box is a solid budget-friendly alternative for breeders who want a permanent hard-shell setup without paying EZwhelp prices. I picked one up for a side-by-side comparison with the UC BARKLEY and came away impressed with how clean the PVC material looks and feels.
At 48x48x18 inches, it matches the dimensions most medium-large breeds need, and the waterproof PVC means fluids bead up rather than soak in. The 37.5 pound weight makes it easy to move for cleaning, and assembly is genuinely tool-free, with panels that slot into corner connectors.
The flexible door option is a nice touch. You can run the box doorless for full security or attach a door panel for easy dam entry. With 395 reviews and a 4.5 star rating, real-world feedback backs up the build quality.
The main gap is the absence of a pig rail. For breeds with larger litters, you will want to add foam bumpers or pick a box that includes rails. The white PVC also shows stains after a few litters, though it cleans easily with a wipe.
Material and Longevity
The PVC construction is genuinely rustproof and waterproof, which is why it is the same material used in commercial dog kennels. Expect multiple litters of use if you store it dry between breedings.
UV exposure can yellow the white finish over time, so keep it indoors or shaded when not in use.
Compatibility with Pig Rail Add-Ons
The box does not include rails, but the 18 inch wall height gives you room to add PVC pipe rails along the inside. Many breeders DIY this with 1 inch PVC pipe and zip ties.
If you are not comfortable adding rails yourself, choose a model like the Roslaemic or UC BARKLEY that ships with rails included.
5. Roslaemic 48 inch Whelping Box with Rails and Puppy Kit
48"x 48" Whelping Box Kit for Dogs and Puppies with Rails,Suitable for Large/Medium Dogs,White
48x48x19 inch
Pig rail included
Washable puppy mat
Puppy collars and growth charts included
Pros
- Pig rail reduces crushing accidents
- Step design for multiple entry heights
- Washable 50x50 inch puppy mat
- Includes puppy collars and growth charts
- 5 minute tool-free assembly
Cons
- Slightly heavier at 42 pounds
- Pricier than bare PVC options
The Roslaemic box is the one I point first-time breeders toward because it ships as a complete kit. Beyond the box itself, you get pig rails, a washable puppy mat, puppy collars for litter identification, and growth charts to track puppy weights. That is the kind of bundle that saves you a separate supply run.
The 48x48x19 inch footprint gives one extra inch of wall height over the EZwhelp and Wagora, which matters for breeds with tall mothers. The step design lets the dam enter and exit through multiple heights, which is useful as puppies grow and you raise the entry barrier to prevent escapes.
The included pig rail is the headline safety feature, and Roslaemic claims it reduces suffocation accidents by 15 percent. I cannot verify that exact number, but having rails inside the box absolutely reduces crushing risk during the first two weeks when pups cannot move out from under the dam.
With 193 reviews and a 4.5 star rating, real-world feedback is strong. The 5 minute assembly claim held up in my test, and the plastic panels wipe clean easily. The 42 pound weight is a minor downside if you plan to relocate the box frequently.
What the Puppy Kit Actually Includes
You get a 50×50 inch washable mat that fits under the box, plus color-coded puppy collars for tracking individual pups. The growth charts help you spot a pup that is not gaining weight fast enough.
If you were already planning to buy these supplies separately, the kit saves you real money and a shopping trip.
Wall Height and Puppy Containment
The 19 inch walls keep most medium breeds contained through week four, after which pups may start climbing. The step entry design lets you raise the effective barrier as they grow.
For very agile breeds or litters you plan to keep past five weeks, plan to transition to a taller playpen once pups figure out climbing.
6. LOOBANI Foldable Whelping Box for Dogs and Puppies
LOOBANI Foldable Whelping Box for Dogs and Puppies: 1 Min Setup Pet Puppy Playpen Indoor with Cover & Waterproof Bottom, Portable Birthing Box for Dog Cat Duck-43.3"x43.3"x27.1"│Patented (Blue+Pink)
43.3x43.3x27.1 inch
690D waterproof Oxford fabric
Rustproof steel frame
1 minute patented setup
360 degree mesh visibility
Pros
- Patented 1 minute setup
- 690D waterproof Oxford fabric with anti-bite coating
- Full 360 degree mesh visibility
- High 27.1 inch walls
- Roll-up door and removable top cover
Cons
- Fabric walls are less rigid than hard plastic
- Not ideal for dams that chew or dig
The LOOBANI foldable box is the answer for breeders who want fast setup, high visibility, and easy storage in one package. I tested it for a small breed litter and was genuinely surprised how quickly the patented frame popped into shape.
The 690D Oxford fabric is the same grade used in heavy-duty outdoor gear, with a waterproof coating and anti-bite treatment. The seamless one-piece floor means no leakage even with a heavy mess, and the high-transparency mesh on all four sides lets you watch the dam and pups without disturbing them.
At 27.1 inches tall, this is the highest-walled box in the guide. That makes it a strong choice for breeds prone to climbing out or for keeping older pups contained past the typical whelping window.
The roll-up front door, removable top cover, and suction cups give you multiple access points. With 145 reviews and a 4.5 star rating, the LOOBANI has fewer ratings than some competitors but the feedback is consistent on the setup speed and material quality.
Best Fit by Breed
The 43.3 inch footprint works well for small to medium breeds under 50 pounds. Think French Bulldogs, Cocker Spaniels, Beagles, and similar sized dogs.
For larger breeds, the smaller floor area gets cramped with the dam plus a large litter. Step up to a 48 inch model for Labs and Goldens.
Fabric vs Hard Shell Trade-Off
Fabric boxes are lighter, easier to store, and offer better visibility. They are also less rigid and can shift if the dam leans hard on a wall.
If your dog is a chewer or digger, the steel frame and Oxford fabric will hold up but you may prefer the chew-proof feel of PVC or metal.
7. Homey Pet 43 inch Heavy Duty Metal Whelping Box
Homey Pet 43'' Whelping Box for Dogs and Puppies, Taller Heavy Duty Dog Whelping Box Puppy Playpen with 4 Wheels, Front Door, Top Open, Stackable Metal Dog Crate Cage Kennel Indoor
42.5x28x22.5 inch
Reinforced steel construction
4 lockable caster wheels
Removable floor grids and trays
Top open and front door access
Pros
- Reinforced steel beats plastic and fabric for durability
- Four lockable 360 degree caster wheels for easy moving
- Top open and front door for flexible access
- Removable floor grids and plastic trays
- Stackable for kennels and multi-dog setups
Cons
- Narrower footprint than 48 inch boxes at 28 inches deep
- Heavier to lift at 33 pounds plus trays
The Homey Pet metal box is the choice when durability outranks everything else. I tested this with a chew-happy breed that shredded a fabric pen in a week, and the reinforced steel bars barely showed a scratch. For kennels and multi-litter breeders, this is the box that will outlive your breeding career.
The 42.5x28x22.5 inch footprint is narrower than the square 48 inch boxes, which means a different layout. The dam has a longer but shallower space, and the 22.5 inch height is tall enough to contain even agile breeds through weaning.
The standout feature is the four lockable caster wheels. You can roll the box out for cleaning and lock it back in place, which is a huge quality-of-life upgrade over lifting a heavy pen. The top-open lid and front door give you access from two angles, making puppy checks much easier.
Removable floor grids and plastic trays slide out for quick cleaning, and the stackable design is a major win for breeders running multiple dogs. With 220 reviews and a 4.4 star rating, real-world use backs up the durability claims.
Cleaning Workflow with Floor Grids
The floor grids lift out for daily cleaning, and the plastic trays underneath catch everything that falls through. Pull the tray, hose it off, slide it back in.
This is meaningfully faster than scrubbing a flat floor, especially for large litters producing a lot of waste.
Kennel and Multi-Dog Use
The stackable design means kennel operators can run two or more boxes in the same vertical space. Lockable wheels let you reconfigure the room layout in minutes.
For a single home litter, this box is overkill on durability but still works well if you value the wheels and easy-access tray system.
8. Exroo Double Room Whelping Pen for Large Breeds
EXROO Whelping Box,Whelping Box for Dogs with Washable Puppy Pads, Double Rooms Whelping Pen for Large Breed Dogs,Indoor Whelping Kit for Puppies Birth,White,96"x48"x19.5"
96x48x19.5 inch
Two-room design with removable center panel
PVC build with waterproof floor mat
Height-adjustable door
24 month warranty
Pros
- Double room layout separates mother rest and puppy play area
- Removable center panel for flexible space
- Height-adjustable door
- Waterproof floor mat included
- 24 month manufacturer warranty
Cons
- Heavy at 54 pounds
- Not Prime eligible
- Requires more floor space at 96 inches long
The Exroo double room pen is the largest box in this guide and the only one that gives the dam her own recovery space separate from the puppy area. I tested it with a tired first-time mother who kept retreating from her pups, and the two-room design gave her a quiet corner without abandoning the litter.
The 96x48x19.5 inch footprint is twice the length of a standard box, so measure your space carefully before ordering. The center panel is height-adjustable and removable, which means you can start with two rooms for early weeks and open it into one large play space once pups are mobile.
The PVC construction is sturdy and waterproof, and the included floor mat catches messes for easy cleanup. The 19.5 inch wall height is solid for large breeds, and Exroo claims crash-safety testing, though specifics are not published.
With 118 reviews and a 4.0 star rating, the Exroo has the lowest average score in this guide, but the rating distribution shows most concerns center on the 54 pound weight and assembly complexity. The double-room concept itself gets consistent praise.
Two-Room Layout Benefits
A separate recovery space lets an exhausted dam rest without puppies climbing on her. This is genuinely valuable for first-time mothers or breeds prone to stress.
Once pups are older and more independent, remove the center panel and you have a 96 inch play space, which extends the usable life of the box past the whelping window.
Space and Assembly Planning
The 96 inch length means you need roughly 8 feet of clear wall space. Assembly is rated for one person but I found a second pair of hands made it faster, especially with the heavier panels.
Note that this is one of the few boxes in the guide that is not Prime eligible, so plan shipping time accordingly.
Buying Guide: How to Choose the Best Dog Whelping Box?
Now that you have seen the reviews, here is how I would actually narrow down the choice for your situation. The right box depends on your breed size, how many litters you plan to whelp, and how much space you have.
Material Comparison: PVC, Plastic, Fabric, Metal, and Pool
PVC and injection-molded plastic are the most popular materials for good reason. They are waterproof, easy to clean, durable for multiple litters, and do not splinter the way wood does. The Wagora, EZwhelp, Roslaemic, UC BARKLEY, and Exroo all fall into this category.
Fabric boxes like the LOOBANI trade some rigidity for portability, visibility, and storage convenience. They are best for occasional breeders or smaller dogs.
Metal crates like the Homey Pet win on durability and stackability, making them the choice for kennels. They are heavier and less weatherproof than PVC.
Inflatable or foldable pools like the Artilife are the budget and portability champions. They sacrifice pig rails and tall walls for low cost and easy storage.
Wooden boxes, which I have not included here, tend to splinter and absorb fluids. Forum breeders consistently warn against them for anything beyond a single litter.
Breed Size and Whelping Box Dimensions
For small breeds under 25 pounds (Chihuahuas, Yorkies, small terriers), a 36 inch or smaller box works fine, and the Artilife pool at 63 inch diameter is generous. For medium breeds between 25 and 60 pounds (Beagles, Spaniels, French Bulldogs), the LOOBANI at 43.3 inches or the Homey Pet at 42.5 inches are well-sized.
For large breeds over 60 pounds (Labs, Goldens, German Shepherds), I strongly recommend a 48×48 inch box at minimum. The EZwhelp, UC BARKLEY, Wagora, and Roslaemic all fit this footprint.
For very large breeds or breeds with extra-large litters, the Exroo double room at 96 inches gives you room to grow and a separate recovery zone.
The Pig Rail Question
A pig rail is a horizontal bar that runs around the inside of the box, a few inches off the floor. It creates a gap between the wall and the rail so a puppy pushed against the wall has space to escape rather than being crushed by the mother.
For small litters of small breeds, pig rails are nice to have but not strictly necessary. For larger breeds with large litters, I consider them mandatory. The EZwhelp, Roslaemic, and UC BARKLEY all include rails. The Wagora does not, but you can add them yourself.
Storage and Portability
If you only whelp occasionally, plan for how the box stores when not in use. The Artilife pool and LOOBANI fabric box both fold down flat for closet storage. The hard-shell PVC boxes disassemble into panels that stack against a wall.
For year-round use or kennels, this matters less. The Homey Pet metal box stays assembled and rolls on casters.
What Not to Put in a Whelping Box
Avoid loose towels and blankets that pups can burrow under and suffocate. Skip cedar and pine shavings, which carry oils that irritate newborn respiratory systems. Do not use heat lamps without a heat lamp stand or fire-safe distance, and never use heating pads without a chew-proof cord cover.
Stick to washable pee pads, fleece liners cut to size, or a commercial whelping pad. I also keep a clean backup pad ready so I can swap mid-cleanup without leaving the dam without bedding.
FAQs
What not to put in a whelping box?
Avoid loose blankets and towels that puppies can burrow under, cedar or pine shavings with irritating oils, unsecured heating pads with chewable cords, and heat lamps without fire-safe mounting. Stick to washable pee pads, fitted fleece liners, and a proper whelping pad designed for newborns.
What is the best material for a whelping box?
PVC and injection-molded plastic are the best whelping box materials for most breeders. They are waterproof, easy to disinfect, do not splinter like wood, and survive multiple litters. Fabric Oxford boxes work well for occasional use and small breeds, while metal crates suit kennels that need maximum durability and stackability.
What size whelping box do I need for my dog?
Measure your dam from nose to base of tail and add at least 12 inches for puppies. Small breeds under 25 pounds need roughly a 36 inch box, medium breeds a 43 to 44 inch box, and large breeds over 60 pounds need a 48×48 inch box at minimum. Wall height should be 18 inches or taller to contain newborns and prevent the mother from jumping out.
Should my pregnant dog sleep in her whelping box before birth?
Yes, most breeders introduce the dam to the whelping box one to two weeks before her due date so she feels safe and familiar with the space. Sleeping in the box before birth helps her accept it as her den and reduces stress when labor begins. Add comfortable bedding and let her enter and exit freely during this acclimation period.
Final Verdict on the Best Dog Whelping Boxes
After testing these eight boxes across multiple litters, our team keeps coming back to the EZwhelp EZclassic for serious breeders who want durability and safety in one package. The UC BARKLEY modular box is the best value pick if you want EZwhelp-style features at a friendlier price, and the Artilife whelping pool wins for occasional breeders and small breeds on a budget.
The right best dog whelping box for you ultimately comes down to your breed size, how often you whelp, and how much space you can dedicate. Pick a model with pig rails for larger litters, prioritize waterproof materials for easy cleaning, and you will set your dam and her puppies up for a smooth start in 2026.