The silent pet hamster running wheel is a must-have accessory for your furry friend. Made with PVC material, it provides a safe and fun exercise experience. Available in three sizes: 13cm, 16.5cm, and 19.5cm, it is suitable for hamsters, guinea pigs, and chinchillas. This toy can be placed inside or outside the cage, keeping your pet entertained and active. Improve your pet's well-being with this silent running wheel. Features: 1. This type of toy is a kind of running wheel that is fit for hamster to play. 2. You can put it on their cage or outside.Pet always require a toy for them to play with and they will have fun with it. 3. Fits for hamster,guinea pig,chinchilla etc. Specification: Material: PVC Diameter: 13cm, 16.5cm, 19.5cm Package Included: 1 x Hamster Running Wheel Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.