Skywalker 11ft x 11ft Trampoline Mat for a 13ft x 13ft Square Trampoline using 84 7.5in Springs Skywalker 13' x 13' Square Replacement Jump Mat Designed to withstand the everyday beating the trampoline mat receives from children and harmful rays of the Sun Authentic Skywalker Part Fits Model: SWSAS1300 PVC on top, PE on bottom, UV coated for added protection, Cold crack protected