【Cut】18.518.57CM【ballast】160gr【colour】blue Product diameter: 17.5 cm / 6.9 inch. 1 x Silent Hamster Wheel (Stand not included), perfect size for hamster, gerbil, mouse or other small pets. Made of high quality plastic materials, lightweight but strong and durable, beautiful and exquisite. The detachable design makes assembly easier. Safe wheel for animal toes and tails. 6.9 Inch Super Quiet Hamster Wheel - Quiet spinning hedgehog wheel will bring your little pet endless running happiness, won’t disturb your sleep, even your hamster on the track to run and sleep. Hamster wheel rotates all night. Perfect hamster cage accessory - your furry creatures will love this one Love hamster wheel toys and it will help them break boredom and enrich their night, and also make them fit to keep their strength clean, please use clean damp cloth to wipe if needed.