Easy to clean: our sustainable silicone bottle lid set is dishwasher safe and can be washed upside down in the machine. Or with detergent and hot water Wine preserve: the inner diameter is 3 cm (standard size). Groove design inside wall keeps your wine tight and tight. the oxidation process, extend and preserve aroma of the wine and keep the wine with a natural . Set of 4 bottles corks: a stylish set with 4 x bottle caps made silicone. Washable and perfect for many bottle types, whether wine, oil or juice DIY design: wine silicone caps stopper is plain and with these markers you can mark your wine bottle. So you never have to worry about finding the wrong bottle. You can create your own favourite DIY design or mark the bottle cap. Versatile: the bottle lids are flexible and therefore fit a variety of glass bottles: whether as a wine bottle lid, beer closure, as a champagne stopper and much more.