Function: : These Wine Stoppers offer An Airtight Seal to Preserve Wine, Can Isolate The Air Well, and Has The Effect of Keeping The Red Wine Fresh, Which Ensures That The Opened Red Wine Is Not Easy to Oxidize In A Short Period of Time. . Applicable Objects: : The Conical Design of The Stopper Makes It Suitable for A Variety of Mouths, Such As: Wine Bottles, Gin Bottles, Rum Bottles, Prosecco Bottles, Brandy Bottles, Etc. . Material: : The Material of Metal + Silicone Will Not Rust Or Fade, and The Silicone Ring Will Not Be Deformed Due to Moisture. It Can Be Used Repeatedly and Is Easy to Clean, Which Can Bring You A Good Shopping Experience. . Size: : It Is Mostly Suitable for Bottle Mouths with A Diameter of 0.6-0.79In / 15-20Mm. The Size of The Wine Stopper Is About 4.3*1.7*0.83In (11*4.3*2.1Cm), (The Heart Shape Is Removable, and The Height of The Bottle Stopper After Disassembly Is 2.4In / 6Cm).