The Pet Life Hoop Hopper collapsible agility dog hurdle trainer is extremely lightweight and easy to setup or install, composed of ultra-lightweight soft and durable foam board and fiberglass this trainer is perfect for on-the-go usage. Features a fun circular obstacle hurdle perfect for developing proper leg muscles while building up proper cardio stamina and movement agility. Great for outdoor usage whether in a back yard or out in the park. Available in additional obstacle designs. Sizing Guide: Size Dimensions LxWxH (In Inches): 11 x 1 x 24" Perfect for training & building proper leg muscle Composed of lightweight foam & fiberglass Fun Hoop design, great for the outdoors | Pet Life Hoop Hopper Collapsible Agility Dog Trainer Kit Yellow