Fresh wine everytime. 2 quick bursts creates a harmless argon barrier preventing wine oxidation. Saves 50 bottles. 100% guarantee. Saves open wine from oxidation. Preserves aroma, flavor, character. Simply using two quick bursts, VineyardFresh is heavier than air, creating a harmless protective barrier, separating oxygen from the wine, keeping wine fresh for weeks. VineyardFresh's environmentally natural, 100% food grade argon, is colorless, odorless, tasteless, non-metallic and does not affect the wine's taste. For the best results use after every pour. Works on all wines, ports, sherries, dessert wines and sake. Stop wasting wine. Use VineyardFresh Wine Preserver and serve fresh wine everytime. Full can feels empty. Accept no substitutes. VineyardFresh Wine Preserver creates a harmless argon barrier preventing oxidation. FDA approved internal container lining. For more information visit www.vineyardfresh.com. Please recycle. Made in USA.