Pure Fun 15-Foot Trampoline and Enclosure Set Vinyl 15-foot trampoline made of galvanized iron-steel tubing with T-section assembly T-section adds stability, increasing life and safety of trampoline over time Includes secure enclosure made of UV-resistant mesh fabric with elastic net straps High-performance steel springs and polypro jump pad provide deep, exciting bounce Certified by independent laboratory to pass all safety requirements