This multi-size outdoor trampoline comes with heavy-duty steel pipes protective foam sleeves and U-shaped foot tubes providing strong strength and stability. Â What's more the trampolines are rust-resistant and ultraviolet-resistant which allows you to enjoy outdoor jumping. And it is equipped with a high-resilient and wear-resistant jumping mat for providing excellent bounce a tightly woven enclosure net to keep fingers and toes from getting caught and long rust-resistant steel springs for safe