Hedstrom Trampoline Mat fits 12 ft. Frames that use 72 7 inch Springs (SPRINGS NOT INCLUDED)

JUMPING MAT ONLY - SPRINGS NOT INCLUDED!. Mat Size (Across): 120in. V-Ring Quantity: 72. Compatible Spring Size (Springs Not Included): 7in. Compatible Trampoline Frame Size (Trampoline Not Included): 12 ft. You must have the following specifications to buy this product: 1. Your current trampoline frame size. Get this information by measuring the outside steel "Circle" that makes up your trampoline frame. Measure all the way across from one end to the other, on the outside of the steel frame. 2. Your current spring count. Count how many springs your trampoline is suppose to have right now. 3. Your spring size. Measure at least 2 or 3 of your current springs, off of the trampoline and as unstretched as possible, and measure the entire length including the hooks at the end. It also helps if you know the brand name of your trampoline. This particular mat is known to be compatible with the following brands, and may possibly be compatible with other brands as well: Hedstrom.