West Chester Auto Open Umbrella is fashioned to keep you dry in the harshest weathers or protected under the hot sun. It features a large canopy with a diameter of 40 in. to allow complete coverage. The sun umbrella is made with premium quality pongee fabric to resist wear and tear, along with fiberglass ribs and a metal shaft to retain shapes and quality through all weathers. The tri-fold design allows you to store the compact umbrella anywhere you need. Keep it in your handbag, car, backpack, or just hold it by the wrist strap to stay well-equipped at all times. Simply click the auto-open button and protect yourself from any weather instantly.