Size Chart - Critter Friends
| Size | Neck | Chest | Length |
| X-Small | 9.4in/24cm | 13.4in/34cm | 5.5in/14cm |
| Small | 10.6in/27cm | 15.7in/40cm | 7.5in/19cm |
| Medium | 11.8in/30cm | 17.3in/44cm | 8.7in/22cm |
| Large | 13.4in/34cm | 19.3in/49cm | 9.8in/25cm |
| X-Large | 15in/38cm | 22in/56cm | 11.4in/29cm |
| XX-Large | 17.3in/44cm | 22.8in/58cm | 13in/33cm |