Description: Material: Plastic PP size: Diameter: 17.5cm/6.89inch Width: 6cm/2.36inch Color: Colorful Feature: 1. Safety design: The running wheel cage is made of environmentally friendly and sturdy materials, with a stable structure to ensure that pets will not be injured during exercise. 2. Activity wheel design: Equipped with exercise wheels, pets can run and rotate on the wheels to exercise and consume energy. 3. Easy to clean: The material is easy to clean, making it convenient for owners to clean pet excrement or debris in the cage and maintain hygiene. 4. Multi functional use: It can not only be used as a running wheel for pets, but also as a pet cage, providing space for rest and sleeping. 5. Air circulation: Design ventilation holes or breathable grids to ensure that pets have sufficient fresh air supply inside the cage. Attention: 1.Due to manual measurement, there may be a 1-3mm error in product dimensions. 2.The color of the product may have errors due to objective reasons, and the actual product is the main focus. The product includes: 1 * pet running wheel cage+1 * bracket