Heavy-duty seat made from steel chain reinforced plastic with delta hooks. Includes two 58" lengths of ouchless chain. Color: Green seat. Weight limit: 350 lb. Fits all Swing-N-Slide residential swing sets. Lifetime warranty. ASTM certified. Requires swing hangers model No. NE4888 (SKU 808148) for installation. Caution: Parents, caution children against twisting chains. This may weaken chains and cause failure.