| Ball Size | Recommended Hamster | Fun Zone Diameter |
|---|---|---|
| Small | Hamster | 1-2 cm |
| Medium | Chinchilla | 2-3 cm |
| Large | Chinese Hamster | 3-5 cm |
| Extra Large | Winter White Russian | 5-7 cm |
For optimal hamster happiness, please consult with your veterinarian for the perfect ball fit. Or, you know, just eyeball it. We won't judge.