Wheel for mice and chinchillas in eco-sustainable wood, non-toxic natural material. Running board with non-slip cork surface for a better grip, safe for your rodent. This exercise disc is ideal for running. Keeps the animal active and improves fitness, ideal for overweight animals as an incentive for movement. The wheel can be used by small rodents. Features a solid base with anti-slip caps. Easy to assemble. Warnings: it is advisable to get the animal used to using the toy gradually. Monitor the animal especially during the first uses. Overall external dimensions: 28.6 cm depth, by 12.3 cm height. Diameter 30 cm. Also available in other models.