GLI 05-0024RD-SFF-OL-4852 48"-52" Sidewall OverLap Full Swirl Print Liner 20 Year Manufacturer Warranty Made from 20 mil durable virgin vinyl. Tough, long-lasting 1/2" lap seams. Perma-sealed with state of the art equipment. Contains highest grade UV inhibitors for maximum weather ability and resistance to sunlight, bacteria, fungus, chemicals, and cold crack.