Automatic Folding The umbrella's canopy opens and closes with a simple press of a button. Push it to open when needed and push again to collapse the canopy and manually lock it back to position to use it again. Waterproof Material The umbrella's canopy is made of premium high density waterproof pongee fabric that can effectively prevent rainwater from penetrating down no matter how strong and rough the weather might be. Quality Workmanship Designed with a three-fold chrome plated metal shaft, and strong metal frame to allow for greater stability in high winds. Automatic Operation Open and close the umbrella effortlessly using just one hand with its built-in auto open/close function. Slip-Proof Handle Its ergonomic, slip-proof, and rubberized handle with wrist strap makes it easy to carry and pleasant to hold. Fibreglass Ribs GLITZEN Travel Umbrella is fortified with 10 resin-reinforced fiberglass ribs that flex slightly to withstand powerful gusts without turning inside out and defends against the elements like no other umbrella.