The Pet Life jumping hurdle collapsible agility dog 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 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 l x w x h (in inches): 33.5 x 1 x 24.