WINDPROOF CONSTRUCTION: Theumbrella is designed with high quality electroplated steel shaft and 8 premium resin-reinforced fiberglass ribs which provide strength, flexibility and withstand powerful gusts without flipping inside out . WATERPROOF MATERIAL: Highly water repellent material, which is made of advanced fabric that features nano-coated cellular technology. The fabric has a high density of 190T, it can easily keep the sun or rain away and quickly dry . Auto FOLDING Function- Auto open/close designation allows super easy and convenient for one-handed operation. Pushing the button of umbrella only in one second, you will be protected from the unexpected rain all day. . LIGHTWEIGHT AND COMPACT SIZE: With 0.89 pounds/ 405 g, 0.98 ft / 30 cm and classic black, this umbrella is not only easily carried out but also perfect for both men and women. You could put it in your schoolbag, purse, briefcase, backpack, or luggage while you are hiking, camping, hunting, traveling, gardening . COMPREHENSIVE AFTER-SALES SERVICE: We truly want you to be happy with this product and will offer you a professional customer service to ensure your satisfaction. Compare with similar items .