Specifications: Running wheel wide comparatively light hamster run up relaxed. Suitable for hamsters gerbils and other furry friends. High quality plastic running surface is safe and comfortable for your furry friend s feet. Can be used free standing or attached to cage. Item Name: Hamster Wheel Material: Plastic Wheel Size(Dia. x W): 12.5cm x 5.8cm/4.92 x 2.28 (Approx.) Bracket Size(L x W x H): 14.5cm x 7.6cm x 14.6cm/5.71 x 2.99 x 5.75 (Approx.) Notes: Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Hamster Wheel