Add fun to your mid-sized yard when you add the TruJump 12 ft Enclosed Trampoline. This 12-foot diameter trampoline is crafted with a rust-resistant steel frame and a TenCate Permatron jump mat that provides UV-resistant protection. The included enclosure is designed with 6 foam-covered steel poles for safety, an antislip zippered door for security and a UV-resistant polyethylene net for safe, long-lasting use.