Keep 'em hoppin' with some help from the Skywalker Trampolines 15 ft. Round Trampoline with Safety Enclosre. This large trampoline has a frame of heavy-duty galvanized steel so it's strong and weather-resistant. The large jumping mat is woven to prevent slipping and is supported by 96 rust-resistant springs. These springs are covered in a pad of extra thick materials in your choice of color. To ensure jumpers stay on the jumping surface, this trampoline is equipped with an enclosure net of high-quality polyethylene for durability and UV-protection. The enclosure features Skywalker's patented design which interlocks the net to the jump mat v-rings using a button-hole feature to eliminate gaps. This trampoline meets or exceeds current ASTM safety standards. It's recommended for children age six and up, and has a 200 lb. weight capacity.