Kidwise Magic Circle 16 Ft Octogon Trampoline- Without Enclosure 14 guage(thick as a nickel) galvanized steel frame and a 10 Year Frame Warranty means it's Built to Last! (112) 8.5" tapered springs provide a Superior Gymnastic Bounce This unit does NOT include a safety enclosure No tools required for installation. Assembles in as little as 30 minutes. Not even one bolt to assemble! 450 lb weight limit MADE IN THE USA