Compatibility: 1.Measure your trampoline is 15 foot; 2.Count 96 pcs V-rings, spring holes and 96 pcs springs; 3.Measure your spring length is 6.5''(unstretched) Product Diameter: 161" for 15' Round Trampoline Using 96 pcs 6.5" Springs (Springs Not Included) Fits with 96 Pcs Premium V-Ring, for 15 ft trampoline Using 96 pcs 6.5" Springs (Springs Not Included) Fits 15' Frame using 96pcs 6.5" Springs. Refer to steps for installation procedures UV-Resistant Polypropylene Materials for Longer Life Premium Orange Edge Band reinforces and increases mat's service life Box Includes: 1 161" Mat with 96 Rings, 1 Spring Hook to install more easily, and 1 Pair Gloves