APAS Ultraslim Compact Automatic Open Close Umbrella Windproof Sun Rain 3 Folds Umbrellas Polyester Premium quality automatic open & close umbrella, stable fiberglass frame and fully auto opening and closing Strong wind-proof and rain resistant, normal UV sun blocking functions, fiber glass ribs shows streghth and durability It's strong and sturdy, the automatic open and close feature means you won't worry about hurting fingers when you're closing it High performance quick drying polyester fabric, comes with a matching sleeve for easy storage, fits great for your tote or backpack One hand operating by a push of the button, perfect for daily use, makes it easy when you're getting or exiting the car in the rain!!!