Trampoline safety pad sizes are measured in feet and are determined by the diameter of your trampoline frame. Please ensure the diameter of your frame matches the pad's size. / SkyBound offers a 1 Year Manufacturer Warranty on our standard trampoline pads. / SkyBound Standard Series 1-Piece Trampoline Pads are designed to provide the best value without sacrificing safety and quality. / Stuffed with 1/2" thick closed-cell EPE foam designed to reduce the risk of injury by protecting the jumper from direct contact with your trampoline's steel springs and frame. / The UV resistant outer layer shell is manufactured with high density PVC on top and heavy duty PE on the bottom.