Sizing
| Size | Neck Circumference | Height | Example Breeds |
| XX-Small | 6 - 9 inches | 3.25 inches | Kittens, Chihuahua, Toy Yorkie |
| X-Small | 9 - 11 inches | 4.5 inches | Cats, Puppies, Pomeranian |
| Small | 11 - 13 inches |
5.5 inches |
Large Cats, Boston Terrier, Jack Russell Terrier, Pug, Toy Aussie |
| Medium | 13 - 15 inches | 6.5 inches | Corgi, French Bulldog, Whippet |
| Large | 15 - 18 inches | 9 inches | Brittany, Border Collie, Shiba Inu |
| X-Large | 18 - 20 inches | 10 inches | Australian Shepherd, Dalmatian, Golden Retriever |
| XX-Large | 20 - 24 inches | 11 inches | German Shepherd, Great Dane, Siberian Husky |
- This size guide is particular to this product and does not apply to other products
- Example breeds are meant to be used as a guide and may not apply to every pet