1、Made of environmentally friendly material, which is non‑toxic, wear and bite resistant 2、Specially designed for quiet spinning, encourage your pet with hours of healthy exercise and fun 3、Safety stand and closed rear wall prevent the animal from getting caught 4、Easily attachable to the side of the cage or alternatively placed inside using the stand 5、Ideal for chinchillas, pet rats or other small animals Features: 1. Made of environmentally friendly material, which is non-toxic, wear and bite resistant. 2. Specially designed for quiet spinning, encourage your pet with hours of healthy exercise and fun! 3. Safety stand and closed rear wall prevent the animal from getting caught. 4. Easily attachable to the side of the cage or alternatively placed inside using the stand. 5. Ideal for chinchillas, pet rats or other small animals. Specification: Condition:100% Brand New Material: Plastic + iron Color: As Pictures Shown Diameter: approx.20cm/7.9, Thickness: 7cm/2.8in Floor Bracket: approx.21*8*16cm/8.3*3.1*6.3in Weight: Approx.484g/17.1oz Package list: 1 * Hamster Spinner Wheel Note: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.