DURABLE FLEXIBLE AND WINDPROOF：8 Ribs that is made of premium fiberglass and high quality stainless steel. It may flex slightly to withstand the powerful wind without turning inside out, allow you to cope with challenging weather conditions with ease | SUPERIOR WATER-REPELLENT: Coated with waterproof DuPont Teflon Technology, made with soft and durable 210T polyester fabric compared to standard umbrellas which use a 190T polyester fabric. All raindrops bounce and/or rolls off smoothly, protecting you against the rain | Light and easy to carry: This is easy to carry the umbrella with 12 inch closed length and 15 Oz weight. It is very convenient to put your umbrella in car, laptop bag, college backpack, business briefcase or vacation luggage | AUTO OPEN AND CLOSE: You will open the umbrella in a second when your hands are full of things. One Second One Hand Operation. Designed for convenience operating with one button and one handed, just push the button once to automatically open and press again to instantly fold the canopy closed | ABSOLUTE SATISFACTION GUARANTEE: We are a real umbrella manufacturer that we can guarantee the quality of the umbrella. You can buy a great quality umbrella at a very good price. We would be responsible for our rain umbrella, we guarantee the rights and interests of our customers. If there is any problem with your umbrella, we will give you a replacement for free or give you a full refund