The JumpKing 55 Inch Trampoline with 3-pole enclosure system can be used both indoors and outdoors. The trampoline has 6 heavy duty legs for stability and uses 36-3.5 inch springs. Enclosure poles attach to the trampoline using T-connectors. Foam padded frame poles and yellow safety pad provide added protection. Our patented G3 poles suspend enclosure netting. Trampoline features an easy to assemble unique top rail system and a rust resistant galvanized steel frame. Enclosure features a long lasting premium polyethylene net with JumpKing logo. Hours of fun for little bouncers and a great way to burn off energy! Enclosure creates a fun-jumping environment without limiting visibility. Easy access door on enclosure system. Total height of the trampoline and enclosure is 57 inches. Meets or exceeds ASTM standards. Maximum weight capacity is 110 pounds or less. Children should always be supervised by an adult while jumping.