Note: The silicone material can be boiled in boiling water before use. Thank you. Double seal, good sealing: Inverted packaging, double seal, tighter and prevents leakage. 【High-quality material】 This wine stopper is made of high-quality silicone with a smooth surface, difficult to deform, strong sealing, can isolate air well and is durable. 【Easy to use】 When using, simply insert the stopper firmly into the mouth of the wine bottle and press. When in use, you can remove it directly for cleaning and then reuse it. Wide use: These wine bottle stoppers are suitable for wine, drinks, beer and other bottles. These stoppers are excellent for keeping wine fresh, making them ideal for use at home or in bars. 【Wine stopper size】 These wine stoppers measure 7x2.8 cm/2.76x1.10 inches, which fits most wine bottle sizes. Please check the stopper size before purchasing. 【Package contents】 You will receive 8 silicone wine stoppers in 4 different colors. The variety of colors allows you to distinguish between different wines and ensures long-term use. ✨Purchase tips: 1. There may be an error of 1-3 cm due to manual measurement. 2. Due to differences in computer screen brightness, the product color in the picture may be affected by pixels, angles, and light. There may be slight color differences between the picture and the actual product. The actual product color depends on the actual product.