Umbrellas - Waterproof , Windproof , Anti UV , UPF&gt;40 UVA&lt;5% - Radian 124CM , Umbrella Diameter 107CM - Triple Folding Umbrella - Retail Packing - Colorful Polyester fiber cover with high density and water repellency No malfunction detected after 10000 times' usages Resistant to erosion with rust-proof procedure Resistant to strong wind, sturdily durable High quality stell structure