This stainless steel wine pump creates an airtight vacuum to preserve wine and prevent oxidation once the bottle has been opened. It can preserve the flavor of opened bottles of white, red or rose wine for a few days. Vent the wine bottle by simply pinching the vacuum stopper. Kit includes 1 vacuum pump and 2 rubber stoppers, all packed in an illustrated gift box. Quantity ordered must be in increments of 48 pcs.