| Weight (Pounds) |
Avg. Neck Size | Collar Opens to |
Usually for | Collar Size |
| 50 | 13" | 15" | Very Small Female | X-Small |
| 56 | 13.5" | 15.5" | Small Female | Small |
| 62 | 14" | 16" | Avg. Female, Small Male | Petite |
| 70 | 14.5" | 16.5" | Large Female, Med. Male | Medium |
| 75 | 15" | 17" | Avg. Male, Large Female | Intermediate |
| 80 | 15.5" | 17.5" | Large Male | Large |
| 90 | 16.5" | 18.25" | Very Large Male | X-Large |