These swing top bottle gaskets are designed to provide a secure and airtight seal for your bottles. Made from materials, they that your beverages remain fresh and leak-free. The gaskets are for use bottles, enzyme bottles, and other containers that require a reliable seal. Features -Color:Green -Material:Silicone -Size:2.50X2.50X0.70cm/0.98X0.98X0.28in -Leakproof design: effectively prevents beer bottle leaks, ensuring you enjoy a better drinking experience without any spills - silicone material: made from silicone, these gaskets are and reliable, maintaining their shape and functionality over longterm use -Easy to use: simply place the gasket on the beer bottle mouth and add the sealing cap for a seal, making it convenient and -Versatile application: designed to fit not only beer bottles but also other beverage bottles with similar mouth sizes, offering a wide range of uses -Lightweight and portable: compact and easy to carry, these gaskets do not take up much space, making them for use Package list: 20 x bottle cap sealing gasket