Strong Windproof 10 Rib ConstructionThe Umbrella frame made of 10 stainless steel, which has strong windproof function. Strengthening the reinforcement. strong metal frame to allow for greater stability in high winds. . Automatic open/close button: HYCOPROT umbrella designed with a great automatic open/close button. Automatically open and close by push the button of the handle with one hand, Very convenient when go out or quickly enter into a car, building or tent. . Upgraded waterproof canopy: about 105cm/41inch when open. The canopy is made of high desity carom cloth, The high density carom cloth efficient resist rain and make umbrella dry quickly . Anti-UV coating: HYCOPROT umbrella has teflon coating on the inner surface, which could block 99% UV ray. The coating could provide efficient protection for users. . Premium quality materials: high desity carom cloth combines the advantages of nylon and cotton yarn. it is not easy wear and tear. Using this cloth also reduced the weight of the umbrella, HYCOPROT umbrella weight just 450g. .