Trampoline Part Store&reg; 13 Ft 3.5 Inch (160") Trampoline Jumping Mat Fits Only a 15' Frame with 96 V-rings Spring Size 7" the Springs & Frame Are Not Included permatron Imported Trampoline Part Store Mats has 6 Rows of stitching and are double stitched with 96-Galvanized steel V-Rings. Trampoline Part Store Fits only Sam's Club & all other Brands of 15' foot Trampoline frames that use 96- 7 inch springs (The Springs Are Not Included) (The Springs Are Not Included), Frame, Safety Pad & Enclosure Net are Also not Included Trampoline Part Store includes Free FedEx Shipping Trampoline Part Store is the only authorized company by us to sell & ship you our products. While Supplies Last - Sale Ends Soon !!!!!!!!!!!!! Please replace all your springs before replacing a worn out or torn Jump Mat, also make sure that only one person is jumping on the Trampoline at a time. This will help you form purchasing several Mats... Thank you