Pegasus 1530OCGCG52M 15" x 30' Oval Carnegie 52" Multi Bead Above Ground Pool Liner. Pegasus Products has been manufacturing the highest quality swimming pool liners available. The material we use is made from virgin vinyl, flexible Poly-Vinyl Chloride (PVC) sheeting containing various additives, i.e. inhibitors for mildew, mold and algae. These additives improve the life and quality of the vinyl by increasing its resistance to chemical/detergents, brittleness, punctures, high strength with durability and low temperature flexibility.