Lotosblume Umbrella Compact Travel Umbrellas Auto Open/Close Golf Umbrellas Windproof polyester Size: Closed Length: 12.5 in., Open Length: 25.5 in., Canopy Arc: 41 in., Weight 1 lb. WIND-DEFYING 10-RIB CONSTRUCTION - Most umbrellas are made of 6 or 8 aluminum ribs but Repel is fortified with 10 resin-reinforced fiberglass ribs that flex slightly to withstand powerful gusts without turning inside out. Cover materials: polypongee+vinyl coating, 30+SPF for uv protection; polypongee materials are more durable and easy to dry out after getting wet. AUTOMATIC OPEN & CLOSE: perfect for one handed operation. Simply OPEN or CLOSE the umbrella with a press of a button within one second. Portable and compact: this excellent umbrella is the perfect combo of portability, foldable to 12 inches, it is small enough to slip in a tote, bag or your car.