Product Size : 4.5 x 5 x 4.5 cmFeatures : Vaccum Sealed Red Wine Bottle Stopper, Super Easy To Keep Best Wine Fresh, Consume Quality With Moderation, Preserve In The Best Conditions, Enough Of Looking Pump And Stooper Seperately, Bacteria In The Air Will Turn Alchohol Into Vinegar, Oxidation Process…Material : Stainless Steel