skywalker trampolines 15 rectangle trampoline and enclosure, blue (box 2 of 3) skywalker trampolines brand: skywalker trampolines by design, a rectangle trampoline gives a higher, more even lift that a traditional round trampoline. for that reason, gymnasts and trampoline enthusiasts alike prefer rectangle trampolines. skywalker trampolines has taken that design benefit one step further by adding an extra-thick 12-gauge frame and two different sizes of springs which provide a more robust bounce. this trampoline features skywalker trampolines' unique safety features, such as the patented no-gap enclosure system, t-socket construction, exterior facing springs, padded enclosure poles and extra-wide vinyl-coated spring pad. rectangle shape provides two sizes of springs work together to provide a robust bounce 12-gauge frame for added stability and a higher astm-approved weight capacity than similarly sized trampolines (250 lbs.) features t-bracket frame construction adds stability and eliminates structural twisting patented no-gap enclosure system interlocks net and jump mat at each spring, eliminating dangerous gaps (patent #re45,182) 76 7.64" rust-resistant galvanized steel springs with two different widths for a superior bounce springs located on the outside of the enclosure net and covered with thick vinyl coated spring pad enclosure poles are positioned away from enclosure net and are foam padded for added safety enclosure netting made of high-quality polyethylene material for increased durability and uv protection jumping mat is made of heavy-duty uv protected polypropylene, woven to prevent slipping 4 extra-thick, 12-gauge u-shaped legs for added stability 1 year frame, 90 day materials warranty 250 lb. astm approved weight capacity meets or exceeds all astm safety standards