Silent Hamster Exercise Wheels, Adjustable Stand Silent Spinner Hamster Gerbils Mice Or Other Small Animals

It's made of stainless steel ball bearings, the wheels can slide smoothly and quietly. Specifications: Material: Acrylic Weight: 850g Size: 8.7in (22 cm) diameter, wide 3.74in (9.5cm) Uses: Little pet toys Material: Acrylic Color: transparent Package contents: 1 x Exercise Wheel; 1 x Screwdriver When pets play with this wheel, it will not disturb you, providing a funny place for pets to play, also keep them to exercise for maintaining their strength and well-being. 【SAFER DESIGN】The shaftless design eliminates the dangerous center rod, reducing the risk of fur / tail entanglement, pet wrap-a-round, curvature of the spine, and other injuries, which is safer for small pet. 【STURDY BRACKET】Larger and thicker brackets could avoid rollover and provide a stable running environment. 【NOTE】 The bracket have a thin protective film on the surface which looks like a scratch, BUT it is not a defect. 【PACKAGE】1 x Exercise Wheel; 1 x Screwdriver.