Product parameters: Material: silicone Color: black Size: diameter 3.6 cm, height 2.6 cm Scope of delivery: 30 pieces bottle cap [Food Grade Material] - Made of food grade silicone, latex and BPA free, it wont add any odor to your wine. Durable, unbreakable, reusable and never rust. Easy to clean, dishwasher safe. [Wide Applications] - Fits standard bottles for wine, beer, champagne and soda, including some larger models. With this wine tool, bottles can be easily stored on their side without the fear of leaks. Simply store leftover wine in the bottle. [DIY Design] - Wine Silicone Caps Stopper is monochrome and with these markers you can mark your wine bottle in a creative way. So you never have to worry about finding the wrong bottle. You can create your own favorite DIY design or mark the bottle stopper. [Best Wine Gifts] - The wine stopper set is definitely a gift to give to a wine lover or a wine cellar. Holds vacuum for wine, standard size wine canning stopper for universal wine bottles, use it at home, while traveling or outdoors.