Rabbit Vacuum Pump Wine Preserver with Set of 2 Bottle Stoppers (Velvet Black) Save unfinished bottles of wine with this wine preserver set. With a pump-and-stopper vacuum system, remove air from opened bottles, preserving flavor. Simply clip a stopper to the pump handle, fit into the bottle neck, and pump out the air, leaving the stopper in the bottle. Comfortably pump with the ergonomically designed handle. Seal 2 bottles with the included stoppers.