Rumbrella® UV Sun Umbrella offers great value for a small investment. A personal UV umbrella that expands to a 42-inch arc and 37-inch diameter is practically sized for everyday use.The canopy is made from a water-resistant pongee fabric with a black vinyl layer, and it blocks 99 percent of UV rays.Grip the comfortable rubber handle and use the fully automatic button to open and close the umbrella’s canopy for ease of use. When not in use, the telescoping shaft collapses down to 7.4 inches long for convenient storage.