California Umbrella 11' Round Aluminum/Fiberglass Umbrella, Pulley Lift, Bronze Pole, Olefin Royal Blue Fabric Outdoor rated olefin fabric 1/2" thick contract grade fiberglass ribs with double wind vent Pulley open lift system with all aluminum 2mm thick two piece pole All hardware is made from maintenance free stainless Steel Optional base is not included and must be purchased Separately