Reinforced welded T-sockets stabilize the upper enclosure frame to the trampoline frame and prevents structural twisting * Total of 96, heavy gauged 6.5 inch, gold collared springs provide superior bounce and are rust resistant * Stay-put enclosure net interlocks to the jumping mat by using a patented button-hole feature attaching the enclosure to the jumping surface * Jumping mat is made from heavy-duty, UV-protected polypropylene for strength and durability * Enclosure netting made of high-quality polyethylene material for increased durability and UV protection * NOTE: Item comes in 2 boxes