| BREED EXAMPLES | SIZE | LENGTH | GIRTH | WEIGHT (lbs) |
| Chihuahua, Papillon, Pomeranian | XXS | 10" | 12"-16" | 5-15 |
| Jack Russell, Yorkie | XS | 12" | 16"-19" | 10-20 |
| Shih Tzu, Maltese, Boston Terrier | S | 14" | 17"-21" | 15-25 |
| Pug, Puggle, Westie | M | 16" | 20"-23" | 20-30 |
| Wheaten Terrier, Scottie | L | 18" | 20"-25" | 25-35 |
| Beagle, Vizsla, Border Collie | XL | 22" | 21"-30" | 30-60 |
| Golden Retriever, Weimaraner | XXL | 26" | 24"-33" | 55-85 |
| Rottweiler, Male Ridgeback | XXXL* | 30" | 32"-38" | 80-120 |
