Muzzle Size Chart
| De la Dogo Sizing | Purple Arrow (PANT ROOM) | Green Arrow (EYES-NOSE) | Red Arrow (WIDTH-FACE) |
| 10 | 3.5" | 1.5" | 3" |
| 12 | 4" | 3" | 4" |
| 12U | 4" | 3" | 4" |
| 14 | 5" | 3" | 5" |
| 14U | 5" | 3" | 5" |
| 16 | 7" | 4.5" | 6.5" |
| 16U | 7" | 5" | 6.5" |
| 18 | 5" | 3.5" | 7" |
| 18U | 5" | 3.5" | 7" |
| 20U | 5.5" | 4" | 6" |
| 20 | 5.5" | 4.5" | 6" |
| 22U | 8" | 5" | 7" |
| 22 | 8.5" | 5" | 6.5" |
| 24 | 8.5" | 4.5" | 6" |
| 24U | 8.5" | 4" | 6" |
| 26 | 8.5" | 4.5" | 6.5" |
| 26U | 8.5" | 4.5" | 6" |
| 28U | 8" | 6" | 6.5" |
| 28 | 8.5" | 6" | 6" |
| 30U | 4.5" | 2" | 3" |
| 32 | 5" | 4" | 5" |
| 34 | 5" | 4" | 4.5" |
| 36 | 6" | 5" | 5" |
| 38 | 5.5" | 5.5" | 5.5" |
| 40 | 5" | 4" | 5.5" |
| 42 | 7.5" | 4" | 6" |