Jenabee Black Vinyl Underneath Parasol Bowknot Sun Block Umbrella Sun-Proof Rain Umbrellas UV Protective UV (Ultraviolet) sunblock with black vinyl protection layer above to block the sun. Strong aluminum center pole and durable ribs withstand high winds and prevent the umbrella from flipping inside out Anti-slip rubberized grip reduces hand and wrist fatigue when you need to hold the umbrella for a long time. Foldable,compact style with umbrella bag Size: As the last picture shows