SkyBound's Series Trampoline Replacement Pads are designed to provide the best value without sacrificing quality and safety. The outer shell of the SkyBound's pads is manufactured with high density PVC on top, and PE on bottom with a UV resistant coating to help prolong the life of your pad, Straps on the bottom shell help keep the pad in place with your trampoline is in use. Inside the shell is ½” thick closed-cell EPE foam designed to help reduce the risk of injury by protecting the jumper from direct contact with your trampoline's steel springs and frame. If the specifications of your trampoline fall outside this range, we highly suggest contacting SkyBound's customer service team to help you locate a safety pad that best fits your trampoline. We offer one (1) year manufacturer warranty.