This is a super strong heavy weight trampoline jumping mat that measures 84""es in diameter, This trampoline mat has a steel v-ring count of 48, and is designed to fit 8 feet trampolines, This trampoline mat is especially designed for Hedtrom trampoline models 9808 and 9808A, however this can also fit any trampoline that has an 8feet frame, uses 48 springs, and uses 5"" trampoline springs, All of our trampoline mats are only of the highest quality, so you are assured to be able to enjoy this for years to come, Mat Diameter Size: 84"", Mat Ring Count: 48, Mat Spring Size: 5"", Mat Material: Permatron, Compatible Trampoline:, Trampoline Size: 8 feet, Trampoline Shape: Round, Dimensions: 14, 5x4, 25x29, 87x4, 72 SKU: SPRT0016