Fabric: Sunbrella Performance Fabrics have been engineered to withstand the outdoor elements since 1960 made from 100% solution-dyed acrylic fabric offering a 5-year non-fade warranty backed by the Skin Cancer Foundation CONSTRUCTION: All aluminum frame with stainless steel deluxe pulley lift system, 1/2 inch round contract Grade fiberglass ribs Weather Protection: Featuring Commercial Grade Fiberglass ribs, double wind vent and sewn in fabric ties offering superior protection in windy conditions. OPERATION: Easy open pulley lift system Optional base is not included and must be purchased Separately