Skywalker Trampolines 12-Feet Round Trampoline and Enclosure with Spring Pad Frame constructed of heavy gauge galvanized rust resistant steel Reinforced T-sockets stabilize the upper enclosure frame to the trampoline frame and prevents structural twisting 6 W-shaped legs add stability to provide added stability Enclosure net interlocks to the jumping mat attaching the enclosure netting to the jumping surface at each V-ring eliminating gaps Extra wide UV protected spring pad is fill with 1 inch thick foam padding for comfort and durability