UV BLOCKING UMBRELLA: The inside layer is made from black glue fabric, which reflects most UV rays. The black coating underside of the canopy absorbs any remaining UV rays, giving an overall UPF rating of 50+. POCKET UMBRELLA: With a 41-inch arc and a 37-inch diameter, this mini travel umbrella is perfect for concealing in your purse or bag when you¡¯re on the go! Folds to an ultra-compact 7 inches, makes the umbrella great for travel, as this super lightweight umbrella collapses into a compact 7 inches. 6 RIBS MINI UMBRELLA WINDPROOF: We can't expect a compact umbrella to not flip in the heavy wind if we want it to be flexible, lightweight and fit in purse. But as it is made of 6 ribs for windproof reinforced fiberglass ribs, it can withstand breeze gentle wind.