AMMSUN 2018 8ft 16 Panels Polyester Fabric Heavy Duty Outdoor Garden Patio Beach Umbrella with Tilt Classic UPF 50+ White color canopy for outdoor scenery & breeze enjoyment. The canopy structure is supported by 16 ribs .light-weight, rust-free anodized aluminum pole with height adjustment options.fiberglass ribs are strong and flexible.with tilt to maximize your shade. 180G polyester fabric with UPF 50+ protective from 99% of intensive ultraviolet rays, without flap 1.26"/1.26" dia. alu. pole, light weight,rest free.0.2" dia. fiberglass rib, with zinc tilt to maximize your shade 10 fiberglass ribs/spokes - The flexible lightweight structure makes this umbrella extremely durable and very sturdy