A replacement trampoline jumping surface that will fit with your 15 ft. trampoline that has 96 8.5 inch springs. This mat measures 158" across and if you have a 15 ft. trampoline with 96 8.5 inch springs, this mat will fit your trampoline. Springs sold seperately. Size: 156" Type: Trampolines & Bouncers Color: Black Color Mapping: Black