①. Item Type: Automatic Umbrella Material: Impact Cloth, Vinyl, Steel, Rubber Battery Type: Button Cell x 3 (Comes with Built - in Battery) Weight: Approx. 434g / 15.3oz Expand Size: Approx. 100x63cm / 39.4x24.8in Retractable Size: Length: Approx. 33cm / 13.0in Package List: 1 x Automatic Umbrella, 1 x Storage Bag Please allow some error due to manual measurement. ②. Lightweight and Portable: The automatic umbrella is 13 inches long and weighs only 15.3 ounces, making it easy to fit into handbags, briefcases, backpacks, luggage, etc. It is compact and lightweight. ③. Sturdy construction: The travel umbrella has 10 reinforced ribs and a sturdy metal frame and shaft, making the umbrella windproof, suitable for storms and outdoor environments. ④. Sun protection: The inside of the windproof large umbrella is made of vinyl, which can block UV rays and provide sun protection. ⑤. Premium material: The surface of the automatic umbrella is made of fabric, which is lightweight, quick - drying, waterproof, wear - resistant and scratch - resistant, so it can be used for a long time. ⑥. Ideal gifts: The windproof large umbrella is a good gift for parents, children, friends, colleagues, etc.