High-strength construction - a fitness trampoline made of heavy-duty polypropylene, with a total of 24 rolling anti-rust springs to provide enough flexibility for anyone in the family. The maximum weight is 135 kg/300 lbs. Enjoy your body to the fullest-The trampoline trainer uses your weight and liner to perform unique cardiovascular exercises without stressing your body with high-intensity exercises. In addition, it also trains various muscle groups to help develop muscle mass and strengthen shoulder, hip and leg muscles. Small and portable - The foldable trampoline design is suitable for small spaces in the playground, gym or home, and the size is convenient, so you don ft.t need any trouble. Easy to assemble-Each rebound fitness trampoline is equipped with a detailed assembly instruction manual, no additional tools are required, and the setup can be completed in just a few minutes.