http://www.meantrampoline.com/trampoline%20frame%20pads WITH A MEASURING TAPE THE FULL LENGTH (DIAMETER) OF YOUR TRAMPOLINE, MEASURE ACROSS THE MIDDLE, FROM OUTSIDE TO OUTSIDE OF THE FRAME. NOTE THE EXACT INCHES. (The measurement of one leg post to the opposite leg post will help insure you are measuring across the middle of the trampoline.) THIS IS A 12 O'CLOCK TO A 6 O'CLOCK MEASUREMENT.