| Size | Neck (A) | Chest (B) | Dog Weight |
| XS | 23-33cm | 30-44cm | 2-5kg |
| S | 30-50cm | 41-56cm | 5-11kg |
| M | 40-63cm | 46-71cm | 11-23kg |
| L | 46-76cm | 61-86cm | 23-36kg |
| XL | 61-89cm | 71-112cm | 36-50kg |
| Size | Neck (A) | Chest (B) | Dog Weight |
| XS | 23-33cm | 30-44cm | 2-5kg |
| S | 30-50cm | 41-56cm | 5-11kg |
| M | 40-63cm | 46-71cm | 11-23kg |
| L | 46-76cm | 61-86cm | 23-36kg |
| XL | 61-89cm | 71-112cm | 36-50kg |