2-in-1 Button: Auto Open & Close The auto open-close is very quiet and smooth, and opening and closing the umbrella with the press of a button is a breeze. The automatic open and canopy collapsing button makes it easy and fast to get in and out of buildings or cars without having to stand in the rain longer than you want. The large button can not get your thumb pinched with the usual use. 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. Water-Repellent --Using state-of-the-art Teflon technology its canopy is waterproof and dries instantly. Slip-Proof Handle --Its ergonomic, slip-proof, and rubberized handle with wrist strap makes it easy to carry and pleasant to hold.