Come and see our amazing products. An air-tight seal keeps the wine fresh, champagne carbonated, and other drinks from getting flat or stale. And vacuum pump function to keep wine fresh 10-15 days. The stopper is placed on the bottle, repeatedly pulling the movable end of the stopper can extract the air from the bottle for easy preservation. Pls confirm with us about the packing info, stock color and exact production time before placing your order