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