Comparison table - Deer
| Yorkshire / Teckel / Chihuahua | 3 - 10 LB | Small |
| Beagle / Shetland / Cocker | 10 - 30 LB | Medium |
| Border Collie / Basset Hound / Keeshond | 30 - 50 LB | Large |
| Bouvier / Labrador / Boxer | 50 - 80 LB | XL |
| Pyrénées / Berger Allemand | 80 - 120 LB | XXL |
| Danois / Saint-Bernard | 120 LB + | Huge |