Encourage your kids to be physically active with the Skywalker 15' Rectangular Trampoline with Safety Enclosure. This trampoline with its 76 springs provides hours of bouncing fun for kids, without compromising their safety. It is ideal for outdoor use. The galvanized steel construction makes it sturdy and durable. It has four U- shaped legs, which lend optimal support. This trampoline has a weight limit of 250 pounds. The 15' Rectangular Trampoline with Safety Enclosure from Skywalker requires assembly, and it can be done with the help of a Philips screwdriver. It is ASTM certified.