Trampoline Pro Square, Rectangle, Oval Replacement Trampoline Mats 11ft, 12ft, 13ft, 14ft, 15ft, 17ft USE SIZE OPTION to pick your FRAME size | MAT diameter - RING Count | SPRING size (springs not included) MEASUREMENT instructions can be found if you scroll down | Please double check your measurements before ordering! DURABLE - All mats are weatherproof, UV resistant, and high quality RISK FREE- 30 day return policy and 6 month warranty NEED HELP? Contact us at CustomerService@TrampolinePro.com or 800-473-5867