Wind-proof structure: The design of high-quality galvanized steel shaft and 8 high-quality resin-reinforced glass fiber ribs can provide strength, flexibility and withstand strong gusts without turning inward. Waterproof material: Highly waterproof material, made of advanced fabric with nano-coated honeycomb technology. The fabric has a high density of 190T, which can easily shade and avoid rain and dry quickly. Automatic expansion/folding function-automatic opening/closing designation makes one-handed operation super easy and convenient. It only takes one second to press the umbrella button, and the whole day is protected from sudden rain. Lightweight and compact size: This umbrella weighs 0.89 pounds/405 grams, 0.98 feet/30 cm and is classic black. It is not only easy to carry, but also perfect for men and women. Product Description Automatic mechanism: automatic opening and closing Automatic opening and closing, one-handed operation is super simple and convenient; pressing the button to open and close the umbrella is a breeze. The automatic opening and closing buttons allow you to get in and out of buildings or cars quickly and easily without having to stand in the rain for longer than you need. Quick dry Made of high-density 190T fabric, it will cause water droplets. Just shake it a few times and this umbrella will dry much faster than other umbrellas. Portable, light and suitable for travel This umbrella is small and portable, can be carried around, light weight, and can be easily put in a bag, briefcase and backpack. Quality workmanship It adopts triple chrome-plated metal rod and strong metal frame design to provide greater stability in strong winds.