Ware Manufacturing's Large Sized Metal Pet Tread Exercise Wheel is a great toy for providing your pet a way to exercise and play. This exercise wheel is durable, made out of chew proof powder coated metal wire that is built to last. This exercise wheel is completely safe for your pets, the pet tread protects your pets tails and feet. Your animals will love to run in this exercise wheel which is great for promoting play and leads to a long, happy and active life. Measures 10-3/4" Width X 7" Depth X 12-1/2" Height.