10 Ribs Sturdy Structure: This Windproof Construction: Most umbrellas are made of 6 or 8 ribs but our outdoor umbrellas are made of 10 reinforced ribs which is durable and strong enough to withstand gusts without turning inside out.The solid umbrella bone can be bent , which is super windproof, more sturdy and durable Night Reflective Strips Design : High gloss reflective edges with reflective for good visibility in low light and rain. Offer vehicles, cyclists and pedestrians a view. 41.3inch Reverse Folding Umbrella: Fast Drying: Measured about 41.3 inch/105 cm when open.Closes the umbrella in a creatively opposite direction and does not wet the backpacks, cars, subways or buses. Waterproof & Auti-UV: The travel umbrella adopts high-density waterproof fabric, which can withstand torrential rain. The inner of the umbrella is coated with black Coated make the umbrella shading and auti-UV. Automatic Open and Close: The open and close button allows you to extend and retract the folding umbrella instantly. Can be handled quickly and easily with one hand to keep it dry when your hands are busy.