Product Description: Material: Silicone Size: 3.5 x 2.6 x 2.3 cm Color: Black Package Contents: 4 x Silicone Beer Caps High Quality: The silicone cap is made of high quality silicone material. Lightweight. Can be reused. Will not deteriorate or deform. Keep Fresh: These silicone wine bottle stoppers are designed to keep leftover wine fresh and preserve the flavor for weeks by providing an airtight, leak-free seal. Easy to Use: The reusable silicone caps are easy to put on and take off. Simply insert the cap into the neck of the bottle. Easy to Clean: Easy to clean and suitable for many types of bottles such as mineral water, wine, sparkling wine, soda, cola and other beverages. Wide Range of Applications: Fits standard wine, beer, sparkling wine and soda bottles, including some larger models. With this wine lifter, bottles can be easily stored on the side without fear of leakage.