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