Bring back your trampoline bounce with this new & strong "Upper Bounce" Trampoline jumping mat! "Upper Bounce" Square jumping mat is especially designed to fit 13' X 13' Square trampoline frames of all brands and models, with 84 V-Rings using 7. 5" Springs. Upper Bounce trampoline jumping mat features ultra-durability through its premium PP mesh material. Furthermore, our jumping mat also provides extra security with its 8 row stitching thus ing the mat from tearing. Upper Bounce high quality jumping mat is to be UV & water resistant, offering you a safer long-lasting fun investment!