| Teacup | 4-6ish" | under 6lbs | Papillon, Tiny Dachshunds |
| XS | 8-11" | 7-14lbs | Yorkie, Dachsund, Shih tzu |
| S | 12-15" | 15-25lbs | King Charles, Mini Schnauzer, Westie |
| S'medium | 15-17" | 26-45lbs | Boykin, Beagle, Corgi |
| M | 16-19" | 46-65ishlbs | Boxer, Pittie, Aussie |
| L | 19-24" | 70ish -100ish lbs | German Shepherd, Golden, Great Pyrenees, larger Lab |
| XL | 24"+ | Giant | St. Bernard, Newfoundland |