Exclusive tailored nose for a snug fit. Bungee cord binding makes cover installation easy. Attractive fashion fabric on colorfast, high count, long-lasting cotton fabric. Deluxe covers are stain and scorch resistant. Cut to fit all statndard 13" x 15" x 53" to 54" Tops. Certified for its material contents, reyclability and manufacturing characteristics by Cradle to Cradle, Nanomax products are environmentally friendly in their construction. Nano coating is 85% water based and uses 50% less chemicals.