The Skywalker Trampolines 15' Round Trampoline with Enclosure has exciting features that are both fun and safe. This 15' trampoline features a patented no-gap enclosure system which attaches to the jumping surface at every spring to eliminate dangerous gaps (Patent #RE45,182). The frame is made of rust-resistant galvanized steel, and uses a reinforced T-joint construction for extra frame stability. This 15' trampoline includes 96 weather-resistant galvanized steel springs which are located on the outside of the enclosure net and covered with a vinyl-coated UV-resistant spring pad for safety. Keep the joy of childhood alive with the Skywalker Trampolines 15' Round Trampoline with Enclosure!