Keep yourself out of the Sun with 4 Season's Brand Bimini Tops. We use Select (Not Recycled) 1" Double Walled Anodized Aluminum Frame and a 7-year warranty. Our 600 Denier Waterproof Fabric is Waterproof, UV Protected and has a 7-Year Warranty. Our tops are Designed and Engineered by us based on our customer needs with quality and long term use in mind.