Get 18 pieces of wine saver pump with vacuum reusable preservers. The package also includes a simple wine saver pump. With dimensions of 6.46 x 3.9 x 2.56 inches and a weight of 0.7 lbs, and the package size is 6.5 x 3.9 x 2.6 inches, weighing 0.75 lbs. These wine keepers are easy to use. Just insert the cork into the bottle and the pump, and when you hear a click, the bottle is sealed. They can remove air from the bottle, keeping wine fresh for longer. Not only suitable for home use, but also perfect for restaurants, hotels, and other commercial places. The average - sized design fits most wine bottles, making them a practical helper in daily life. Material: ABS Plastic.