Bring back your Trampoline bounce with this New & Strong "Upper Bounce" Trampoline Jumping Mat!"Upper Bounce" Jumping Mat is especially designed to fit 13 FT. Trampoline Frames of all brands and models, with 80 v-rings using 7" Springs. Our 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 guaranteeing the mat from tearing. Upper Bounce High Quality Jumping Mat is guaranteed to be UV & water resistant, offering you a safer long-lasting fun investment!