1. Material Umbrella Bone: Fiberglass + Alloy Steel Umbrella surface: nylon material Travel Umbrella: "Travel Umbrella is lightweight, about 45.6 inches (116 cm) long when opened and about 41 inches (104 cm) in diameter when opened." 2. Automatic Opening/Closing: The umbrella opens/closes automatically with the push of a button with one hand. No more struggling to close the umbrella when you enter a car, building or tent. Now with this umbrella, you will never have to wait for your umbrella to open or close in the rain again. 3. Outstanding Performance: The large travel umbrella is made of nylon high-density soft umbrella fabric with waterproof coating on the surface, which can effectively waterproof, and the umbrella surface will dry quickly after gently shaking, so that the rain will not let the rain water wet the backpack or other places 4. Innovative Travel Umbrel: This is a well-made ring-button umbrella with a skin-friendly, non-slip, ergonomic ring handle, while providing a firm grip, even in windy weather to ensure a firm grip, easy to hang on travel bags, belts, suitcases, luggage racks, and anywhere else you want to hang your travel umbrella, convenient to carry travel umbrellas.