Jumping Surface for 14' Trampolines with 72 V-Rings for 7" Springs Fits 14' round frame with 72 v-rings for 7" springs Frame Size: 14 feet (Measure outside bar to outside bar). Spring Size: 7 inches (Remove one spring, measure from hook to hook). Spring Count: 72 (Springs are SOLD separately). Made of U.S.A. Permatron Fabric for the ultimate rebounding surface!