Feature●Compatibility: 【1】Measure the Diameter of Original mat(Not include V-Ring) ≈ 127; 【2】Count 72 pcs V-rings, spring holes and 5.5 springs(unstretched); 【3】Measure your trampoline is 12 foot●Product Diameter: 127" for 12 Round Trampoline●Fits with 72 Pcs Premium V-Ring, Using 5.5" Springs (Springs Not Included)●Fits 12 Frame using 5.5" Springs. Refer to steps for installation procedures●UV-Resistant Polypropylene Materials for Longer Life●Premium Orange Edge Band reinforces and increases mats service life●Box Includes: 1 127" Mat with 72 Rings, 1 Spring Hook to install more easily, and 1 Pair GlovesDescription