The 6 ribs mini umbrella is the new fashion upgrade umbrella for rainy and sunny days. It's compact enough to fit in your purse and stronger than other 4 ribs mini umbrellas. Details Sun Protection & Block 99% UV Rays. The sun umbrella is made of UV-resistant material which is able to block 99% of UV rays and protect you from the strong sunlight. Compact and Easy to Carry. This mini umbrella weighs just 10 ounces and fits perfectly into your backpack. This travel umbrella is the best choice for you to carry around. Superior Waterproof. No matter how much rain, or snow, the weather throws at you, our unbreakable umbrella holds up against the elements. 6-Rib Metal Ribs. Our folding umbrella boasts 6 ribs with the good material of aluminum. It won't easily flip out inside, providing much more durability. 99% UVA Protection Ultraviolet(UV) is composed of UVA, UVB, UVC, and UVD, and UVA is the "Skin Killer". The Xiuying Feng parasol can protect you from 99% UVA.