Check the listing for details. Silent Runner Wheel 9" + Cage Attachment - Hamster Gerbil Mice - Cream. Color: cream, Condition: New. Listed at 34.99 USD. Click "Visit store: ZooPro" ^to view more pet product favorites! SILENT RUNNER WHEEL 9" APPROXIMATE SIZE: 10" tall on stand, 9" wheel diameter, 3" wide track, 2.75" diameter openings, 4" wide on stand. FAST SHIPPING✔ Ready to ship - orders get shipped the same or next business day they are placed✔ Speedy delivery - average shipping time is 3 business days FEATURES:✔ SAFE - The axle-free design eliminates a dangerous center bar, reducing the risk of fur/tail entanglement, pet wrap-a-round, curvature of the spine, and other injuries. ✔ SILENT - Innovative dual ball-bearings create a whisper-silent spin. ✔ NON-SLIP - Running tracks are textured, for excellent grip. ✔ SANITARY - Wheel completely disassembles for deep cleaning, no nooks for feces to hide in. ✔ SECURE - Closed off design with front plate for privacy, safety, and containment. With natural bean-shaped openings and a pet-preferred solid black rear wall. ✔ HIGH QUALITY - Wheel is made of high-quality plastic. ✔ JOINT PROTECTION - The stand allows for give, protecting your pet from joint pain caused by running on a hard, fixed surface. ✔ IDEAL FOR - Hamsters (Teddy Bear, smaller Syrians, larger Dwarfs / Robos, etc.), Gerbils, Mice, and other similar small animals (not suggested for chewers). What is dual ball-bearing technology?;Two stainless steel ball-bearings are within the back plate of the wheel, ensuring the wheel glides smooth and silent. The bearings SPIN around the bolt as your pet runs, unlike annoying squeaky wheels on the market that have a center axle that creates friction and noise. ZooPro sells exotic animal foods and accessories that are manufactured by Exotic Nutrition Pet Supply Company™. Exotic Nutrition has been the industry leader of exotic animal products since 1998, specializing in sugar gliders, hedgehogs, prairie dogs, marmosets, degus, skunks, opossums, chinchillas, rats, hamsters, gerbils, squirrels, rabbits, guinea pigs, rodents, ferrets, chickens, bluebirds, wild birds, monkeys, marsupials, reptiles, amphibians, & more