1 X Coooking Concepts Flip-top Wine Stoppers, 2-ct. Packs Make That Delicate Bottle of Wine Last Just a Little Longer. by EIH Make that delicate bottle of wine last just a little longer. Flip-top wine stoppers go into the top of your wine bottles and when the top is flipped down, the rubber grommets on the bottom expand to seal out the air. Perfect for bars, caterers, restaurants, and home. Case includes 1PC  2-ct. Packs of Cooking Concepts flip-top wine stoppers.