Coolrunner Pack of 5 Silicone Wine Sealer,Red wine /Beer Sealer Cover, Pure Color Set of 5 wine sealers provides airtight seal to any bottle of wine Can be use to seal your wine on a daily basis or store bottles easily on their side or on-the-go without wory about leakage 100% made of food grade silicone to preserve the taste Easy to use without fear of leakage Inner dimensions 1inch