Adjustable Height & Sturdy Base - The adjustable height design makes it easy and enjoyable for every little pet to start running. This quiet hamster wheel also comes with a cage attachment to make room when space is tight. You have the flexibility to use bases or accessories anywhere Sizing - This large candy-colored hamster wheel is designed for hamsters, gerbils, mice, rats and other similar small animals. Cut: 8" (20cm) in diameter so they won’t launch into the air when they want to stop Ideal hamster accessory - This candy hamster wheel with stand and cage attachment is a 1:1 reproduction of candy colors and is super cute. The super cute appearance of the pinwheel will make your pet feel like they’re in a fairy tale world BUILT-IN TECHNOLOGY - A must-have hamster toy, this Dwarf and Syrian Hamster Wheel has Streamlined high-tech design - four vents improve ventilation, which means a constant flow of wind keeps your hamster running and moving. help them calm down Ultra-quiet design