STANDARD SIZE: They are suitable for most of the wine bottles in the market. The package contains 100 PCS natural wine corks offering a supply for all your bottling and project needs. KEY WINE MAKING FACTOR: cellular structure ensures low oxygen level inside the bottle and helps ferment high quality wine, winemaking supplies and equipment. REUSABLE HEALTHY WINE SAUCES: This is a high quality wine stopper, safe to use, the corks are made of natural cork material which is , non-, good seal, not change the taste of wine, prevent taste changes caused leaks! GOOD PLIABILITY: These natural wine corks are suitable for whiskey, wine bottles. The compact and elastic cork trivet can hermetically close the bottle; It does not break easily when you take it off, Perfect for bottled wine. CRAFT WINE CORK - Cork corks can be used for homemade wine making, bulk craft corks, recycled art materials wine corks for crafts, general crafts, home decor, school supplies and endless projects other ideas for arts and crafts projects.