Oggi's Little Bird silicone corks for wine bottles make perfect decorative wine stoppers for the wine lover. Non-toxic and odorless. The reusable silicone stoppers won’t rust or deform. Can be easily inserted and pulled out with minimal effort whilst giving a solid and airtight seal. With their clean black and blue coloring, Oggi's silicone wine bottle cork stopper set make an ideal fit to your kitchen and bar décor. As well as being an excellent wine sealer for wine bottles, the Oggi silicone wine bottle corks are also suitable for oils, vinegars and even beer bottles. The diameter of these silicone wine plugs for bottles is sized perfectly for different wine bottle sizes including 375 ml, 500 ml and 750 ml bottles. Oggi's stylish reusable silicone wine caps are a must have for any wine lover. Cheers!