Auto Travel Umbrellas, Windproof, Auto Open and Close, Compact Big enough umbrella ---- When the umbrella is open, the diameter of the umbrella is about 43.5 Inch( 110 cm). This umbrella is generally enough for two people. AUTOMATIC SWITCH - Just gently press the button, and the umbrella will automatically open. Press it again and it quickly closes. This easy-to-use system protects you faster, and in more places than the awkward style of umbrella that must be opened or closed by hand HIGH QUALITY MATERIAL - This umbrella's outside surface is made of highly absorbent Pongee fabric, making it waterproof, very durable, and tear-resistant. Its super-strong umbrella ribs are a combination of fiberglass and Aluminum, which will not rust orcorrode. Even the handle is ergonomically designed for maximum comfort PORTABLE AND LIGHTWEIGHT- Compact and easy to carry. Umbrella weighs about one pound, and will easily fit in any briefcase or backpack ! SALE SUPPORT - Our umbrellas undergo strict quality inspection. If there is any roblem, just let us know and we will replace it, or you can return it within 90 days of purchase for a full refund. You are also welcome to contact our customer service with any questions or suggestions, or so we can solve any other problems you might have