Canny Collar Size Guide
| Size | Dog Neck Size |
| Size 1 | 23 - 28cm (9 - 11 inch) |
| Size 2 | 28 - 33cm (11 - 13 inch) |
| Size 3 | 33 - 38cm (13 - 15 inch) |
| Size 4 | 38 - 43cm (15 - 17 inch) |
| Size 5 | 43 - 48cm (17 - 19 inch) |
| Size 6 | 48 - 53cm (19 - 21 inch) |
| Size 7 | 53 - 58cm (21 - 23 inch) |
| Canny Colossus | 58 - 69cm (23 - 27inch) |
