Silicone Band Size Guide
Use this guide to find the right band size for your penguin species.
| Internal Length | External Length | Recommended Species |
| mm | mm | |
| 34 | 40 | African, Humboldt, Magelanic, Macaroni |
| 41 | 47 | Gentoo |
| 45 | 51 | Small King |
| 46 | 52 | Large King |
Note: These are recommended sizes only, Other sizes may be possible by special request.




