Trampoline Depot Premium Mat For 14 ft Round Frame Using 96 V-Rings For 8.5" Springs Fits 14' round frame with 96 v-rings for 8.5" springs, see below for details on measurement. Step 1 - Confirm Frame Size (Measure from outside bar to outside bar is 14ft). Step 2 - Confirm Spring Size 8.5 inches (Remove one spring and measure from hook to hook). Step 3 - Confirm Spring Count, 96 (Springs are SOLD separately). ONE YEAR WARRANTY. Made of U.S.A. Permatron Fabric for the ultimate rebounding surface!