California Umbrella 7.5' Round Aluminum/Fiberglass Umbrella, Push Open, White Pole, Olefin Lemon Fabric Outdoor rated olefin fabric 1/2" thick contract Grade fiberglass ribs with single wind vent All aluminum 2mm thick two piece pole featuring a push open lift system All hardware is made from maintenance free stainless Steel Optional base is not included and must be purchased Separately