AMMSUN Patio/Beach Umbrella Premium Quality Heavy Duty Sun Shade (Blue, 7ft) Air-vented&water-repellent 7ft canopy for outdoor scenery & breeze enjoyment. The canopy structure is supported by 6 ribs 160G polyester fabric, with air-vent, edge stitcher, UPF 50+ protective from 99% of intensive ultraviolet rays 1.26"/1.26" dia. pole, 0.47"*0.7" dia.rectangular rib, with zinc tilt for more desired angles of shading Iron pole unscrew at middle for easy storage.Optional Sand Anchor device ASIN:B01EHMC9EQ (sold separately) is recommended. It's built to hold your umbrellas steady. same fabric carry bag, umbrella weighs 7.2 lbs including carry bag