Whelping Box Size, by Breed
We suggest that you measure the rectangular space occupied by your bitch when she is lying down, fully stretched out. Then add a few inches to each side for comfort. Remember to add an additional 4 inches on each side if you will be using rails.
Then compare that area to the inside dimensions of our boxes:
- EZclassic 28x28: 27.5" x 27.5"
- EZclassic 38x38: 38" x 38"
- EZclassic 48x48: 48.5" x 48.5"
- Fab System 3x3: 36" x 36"
- Fab System 4x4: 47" x 47"
- Fab System 4x6: 47" x 71"
- Fab System "Whopper" 7x6: 82" x 71"
Consider the following when selecting a size for your whelping box:
- The weight of the bitch
- The size of the bitch
- Number of puppies in the litter
- Temperament of the bitch
| EZclassic | Fab System |
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| Model Number → | 2828 | 3838 | 4848 | 3x3 | 4x4 | 4x6 |
| Affenpinscher | 2828 | |||||
| Afghan Hound | 4848 | 4x4 | ||||
| Airdale Terrier | 3838 | 3x3 | ||||
| Akita | 4x6 | |||||
| Alaskan Malamute | 4848 | 4x4 | ||||
| American Eskimo | 2828 | 3838 | 3x3 | |||
| American Foxhound | 4848 | 4x4 | ||||
| American Staffordshire Terrier | 3838 | 3x3 | 4x4 | |||
| American Water Spaniel | 3838 | 3x3 | ||||
| Anatolian Sheepdog | 4x6 | |||||
| Australian Cattle Dog | 3838 | 3x3 | ||||
| Australian Shepherd | 3838 | 4848 | 3x3 | 4x4 | ||
| Australian Terrier | 2828 | 3838 | 3x3 | |||
| Basenji | 2828 | 3838 | 3x3 | |||
| Basset Hound | 3838 | 3x3 | ||||
| Beagle | 2828 | 3838 | 3x3 | |||
| Bearded Collie | 3838 | 3x3 | ||||
| Beauceron | 4848 | 4x4 | ||||
| Bedlington Terrier | 2828 | 3838 | 3x3 | |||
| Belgian Malinois | 4848 | 4x4 | ||||
| Belgian Sheepdog | 4848 | 4x4 | ||||
| Belgian Tervuren | 4848 | 4x4 | ||||
| Bernese Mountain Dog | 4x6 7x6 |
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| Bichon Frise | 2828 | 3838 | 3x3 | |||
| Black And Tan Coonhound | 4848 | 3x3 | 4x4 | |||
| Black Russian Terrier | 4x4 | 4x6 | ||||
| Bloodhound | 4x6 | |||||
| Border Collie | 3838 | 3x3 | ||||
| Border Terrier | 2828 | 3838 | 3x3 | |||
| Borzoi | 4x6 | |||||
| Boston Terrier | 2828 | 3838 | 3x3 | |||
| Bouvier Des Flandres | 4848 | 4x4 | ||||
| Boxer | 4848 | 4x4 | 4x6 | |||
| Briard | 4848 | 4x4 | ||||
| Brittany | 3838 | 3x3 | ||||
| Brussels Griffon | 2828 | 3838 | 3x3 | |||
| Bull Dog | 3838 | 3x3 | 4x4 | |||
| Bull Terrier | 3838 | 3x3 | 4x4 | |||
| Bullmastiff | 4x6 7x6 |
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| Cairn Terrier | 2828 | 3838 | 3x3 | |||
| Canaan Dog | 3838 | 3x3 | ||||
| Cardigan Welsh Corgi | 2828 | 3838 | 3x3 | |||
| Cavalier King Charles Spaniel | 2828 | 3838 | 3x3 | |||
| Chesapeake Bay Retriever | 4848 | 4x4 | ||||
| Chihuahua | 2828 | |||||
| Chinese Crested | 2828 | |||||
| Chinese Shar Pei | 3838 | 3x3 | ||||
| Chow Chow | 3838 | 3x3 | ||||
| Clumber Spaniel | 4848 | 4x4 | ||||
| Cocker Spaniel-American | 3838 | 3x3 | ||||
| Cocker Spaniel-English | 3838 | 3x3 | ||||
| Collie (Rough) & (Smooth) | 4848 | 4x4 | ||||
| Coton de Tulear | 2828 | 3838 | 3x3 | |||
| Curly Coated Retriever | 4848 | 4x4 | ||||
| Dachshund | 2828 | 3838 | 3x3 | |||
| Dalmatian | 3838 | 4848 | 3x3 | 4x4 | ||
| Dandie Dinmont Terrier | 2828 | 3838 | 3x3 | |||
| Doberman Pinscher | 4848 | 4x4 | ||||
| English Foxhound | 4848 | 4x4 | ||||
| English Setter | 4848 | 4x4 | ||||
| English Springer Spaniel | 3838 | 3x3 | ||||
| English Toy Spaniel | 2828 | 3838 | 3x3 | |||
| Field Spaniel | 3838 | 3x3 | ||||
| Finnish Spitz | 3838 | 3x3 | ||||
| Flat Coated Retriever | 3838 | 3x3 | ||||
| Fox Terrier – Smooth | 2828 | 3838 | 3x3 | |||
| Fox Terrier – Wirehair | 2828 | 3838 | 3x3 | |||
| French Bulldog | 3838 | 3x3 | ||||
| German Pinscher | 2828 | 3838 | 3x3 | |||
| German Shepherd Dog | 4x4 | 4x6 | ||||
| German Shorthaired Pointer | 4848 | 4x4 | ||||
| German Wirehaired Pointer | 4848 | 4x4 | ||||
| Giant Schnauzer | 4848 | 4x4 | ||||
| Glen Imaal Terrier | 2828 | 3838 | 3x3 | |||
| Golden Retriever | 4848 | 4x4 | ||||
| Gordon Setter | 4848 | 4x4 | ||||
| Great Dane | 4x6 7x6 |
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| Great Pyrenees | 4x6 7x6 |
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| Great Swiss Mountain Dog | 4x6 | |||||
| Greyhound | 4848 | 4x4 | 4x6 | |||
| Harrier | 3838 | 3x3 | ||||
| Ibizan Hound | 3838 | 3x3 | ||||
| Irish Setter | 4848 | 4x4 | ||||
| Irish Terrier | 3838 | 3x3 | ||||
| Irish Water Spaniel | 3838 | 3x3 | ||||
| Irish Wolfhound | 4x6 7x6 |
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| Italian Greyhound | 2828 | |||||
| Jack Russell Terrier | 2828 | |||||
| Japanese Chin | 2828 | |||||
| Keeshond | 3838 | 3x3 | ||||
| Kerry Blue Terrier | 3838 | 3x3 | ||||
| Komondor | 4848 | 4x4 | ||||
| Kuvasz | 4x6 | |||||
| Labrador Retriever | 4848 | 4x4 | ||||
| Lakeland Terrier | 2828 | 3838 | 3x3 | |||
| Maltese | 2828 | |||||
| Manchester Terrier (Standard) | 2828 | 3838 | 3x3 | |||
| Manchester Terrier (Toy) | 2828 | |||||
| Mastiff | 4x6 7x6 |
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| Neopolitan Mastiff | 4x6 7x6 |
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| Newfoundland | 4x6 7x6 |
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| Norwegian Elkhound | 3838 | 3x3 | ||||
| Nova Scotia Duck Tolling Retriever | 3838 | 3x3 | ||||
| Old English Sheepdog (Bobtail) | 4848 | 4x4 | ||||
| Otter Hound | 4x6 | |||||
| Papillon | 2828 | |||||
| Petit Basset Griffon Vendeen | 3838 | 3x3 | ||||
| Pharaoh Hound | 3838 | 3x3 | ||||
| Plott Hound | 3838 | 3x3 | ||||
| Pointer | 3838 | 3x3 | ||||
| Polish Lowland Sheepdog | 3838 | 3x3 | ||||
| Pomeranian | 2828 | |||||
| Poodle Miniature | 2828 | 3838 | 3x3 | |||
| Poodle Standard | 4848 | 4x4 | 4x6 | |||
| Poodle Toy | 2828 | |||||
| Portuguese Water Dog | 3838 | 3x3 | ||||
| Pug | 3838 | 3x3 | ||||
| Puli | 2828 | 3838 | 3x3 | |||
| Redbone Coonhound | 3838 | 3x3 | ||||
| Rhodesian Ridgeback | 4848 | 4x4 | ||||
| Rottweiler | 4x6 | |||||
| Saint Bernard | 4x6 | |||||
| Saluki | 3838 | 3x3 | ||||
| Samoyed | 3838 | 4848 | 3x3 | 4x4 | ||
| Schipperke | 2828 | 3838 | 3x3 | |||
| Scottish Deerhound | 4x4 | 4x6 | ||||
| Scottish Terrier | 2828 | 3838 | 3x3 | |||
| Sealyham Terrier | 2828 | 3838 | 3x3 | |||
| Shetland Sheepdog (Sheltie) | 2828 | 3838 | 3x3 | |||
| Shiba Inu | 2828 | 3838 | 3x3 | |||
| Shih Tzu | 2828 | 3838 | 3x3 | |||
| Siberian Husky | 3838 | 3x3 | ||||
| Silky Terrier | 2828 | 3838 | 3x3 | |||
| Skye Terrier | 2828 | 3838 | 3x3 | |||
| Soft-Coated Wheaten Terrier | 3838 | 3x3 | ||||
| Spinone Italiano | 4848 | 4x4 | 4x6 | |||
| Staffordshire Bull Terrier | 3838 | 3x3 | 4x4 | |||
| Standard Schnauzer | 3838 | 3x3 | ||||
| Sussex Spaniel | 3838 | 3x3 | ||||
| Tibetan Mastiff | 4x4 | 4x6 | ||||
| Tibetan Spaniel | 2828 | 3838 | 3x3 | |||
| Tibetan Terrier | 2828 | 3838 | 3x3 | |||
| Toy Fox Terrier | 2828 | |||||
| Vizsla | 3838 | 3x3 | ||||
| Weimaraner | 4848 | 4x4 | ||||
| Welsh Springer Spaniel | 3838 | 3x3 | ||||
| Welsh Terrier | 2828 | 3838 | 3x3 | |||
| West Highland White Terrier | 2828 | 3838 | 3x3 | |||
| Whippet | 2828 | 3838 | 3x3 | |||
| Wirehaired Pointing Griffon | 3838 | 3x3 | ||||
| Yorkshire Terrier | 2828 | |||||