Run-around wheels provide free-wheeling fun for your furry friend. The 11-inch giant run-around wheel is perfectly sized for chinchillas and pet rats. These stylish wire wheels are available in a variety of four fun colors. Each wheel is covered in an extra-durable, powder-coated surface making them easy to wash as well as rust resistant. Run-around wheels feature super pet"s unique tail-safe and e-z exit design.