Preserve your wine - effective system for wine conservation that prevents it from rusting and keeps its natural taste and quality for weeks Wine conservation system with argon gas (not a vacuum pump) - food grade argon gas replaces the air in the already open bottle; each argon gas cartridge retains up to eight bottles Swiss Innovation - A sleek and compact Swiss design that allows you to enjoy your wine glass while protecting the rest from oxidation. EASY TO INSTALL - Just close the wine bottle with the stopper, hook the handle and press for 3-5 seconds The perfect gift for wine lovers - impress with this original and easy to use wine accessory.