PremierAcCovers are durable and made of tough, tight mesh synthetic fabric, PVC-coated, with a clear laminated waterproof film This cover does not cause rusting parts by moisture being trapped inside the connections, switches and metal parts. ….. each purchase, contains directions for quick and easy installation. No tools needed. Four- nylon, long-lasting bungee cords are also included for secure attachment. We offer a full 5 year manufacturer’s warranty. 100% refund including your postage, paid by us if you are not completely satisfied within 30 days! Made in the U.S.A. with American made materials. This cover can NOT be custom sized unless one side is less than 35in. order the size one size larger than needed.