Features: It uses the air pressure in the bottle, from the bottle to pop the cork out. Safty to use. It only takes a few simple steps to opening the wine bottle stopper. Pull the air pumps up and down 4-7 times, use the principle of air pressure to open the cork of the wine bottle to obtain an intact cork. Made of high-quality ABS, stainless steel and aluminum alloy materials, durable, and resistant to dirt. Our wine cork remover is only the hand size of an adult, and can be easily put in your pocket or bag. Suitable for outdoor use, travel, party, banquet, bar, and so on. But it is not suitable for champagne. Specifications: Material: ABS+Stainless Steel+Aluminum Alloy Color: Red/Silver/Golden Size: Approx. 5.51x0.78inch(14x2cm) Package Includes: 1x Air Pressure Corkscrew note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.