Skywalker 12 Foot Round Trampoline With Safety Enclosure For $169.99 Shipped From Walmart This has very good 4.6 star ratings on Amazon. -Reinforced T-sockets stabilize the upper enclosure frame to the trampoline frame and prevents structural twisting -Stay-put enclosure net interlocks to the jumping mat by using a patented button-hole feature attaching the enclosure netting Want to continue reading this post? Click here!