These swing bottle gaskets are designed to provide a secure and leakproof seal for your needs. Made from Silicone, they make a tight fit on your bottles, preventing any unwanted spills or leaks. The Silicone material is resistant to wear and tear, making them Suitable for repeated use in various applications. Features -Color:Green -Material:Silicone -Size:2.50X2.50X0.70cm/0.98X0.98X0.28in -sealing: prevents beer bottle leaks and maintains the taste of your beverages. solves the problem of traditional caps leaking, allowing you to enjoy a better drinking experience. -Silicone material: made from materials that are reusable and resistant to wear and tear, making multiple uses without degradation. -Versatile design: fits various bottle mouth sizes. the flexible design makes it suitable for beer bottles, beverage bottles, and other containers, making a Suitable seal. -Leak and prevention: prevents oxygen from entering the bottle, keeping your beverages fresh and preserving their nutritional content. -Suitable for multiple scenarios: ideal for home, parties, and outdoor activities. whether enjoying time at home or using it at gatherings or outdoor events, it provides a convenient sealing Gasket. Package list: x bottle cap sealing gasket