Trampoline Pro 144" Mat with 100 Rings FOR 14ft Round Frame and 8.5" Springs CHECK your old mat to make sure it was 144" in diameter and had 100 Rings. 8.5" Springs are NOT included with this mat MEASUREMENT instructions can be found if you scroll down 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