Tabella delle taglie per i collari Prater, Tivoli
| Circonferenza collo (cm) | Larghezza collo (cm) | |
| XS | 23-29 | 2.0 |
| S | 28-34 | 2.0 |
| M | 33-39 | 2.0 |
| L | 36-44 | 2.5 |
| XL | 42-50 | 2.5 |
| Circonferenza collo (cm) | Larghezza collo (cm) | |
| XS | 23-29 | 2.0 |
| S | 28-34 | 2.0 |
| M | 33-39 | 2.0 |
| L | 36-44 | 2.5 |
| XL | 42-50 | 2.5 |