Description Crafted for precision sealing, these aluminum foil induction liners are designed to create a secure and airtight seal for glass and plastic bottles or jars. The durable construction ensures leak-proof performance, making them ideal for preserving freshness in various storage applications. Features - Color: Silver -Material:PET,AL,PE - Size: 2.80X2.80X0.10cm/1.10X1.10X0.04in -High efficiency sealing: ensures the contents remain fresh and extends the storage period, providing a reliable solution for long term preservation -Versatile application: suitable for a wide range of industries including food, cosmetics, pharmaceuticals, and laboratory reagents, meeting diverse packaging needs -Leakproof design: can be used with plastic, ceramic, and glass bottles and jars, providing a secure seal to prevent leaks and spills -Electromagnetic foil sealing: features an automatic sealing design with electromagnetic foil (requires an electromagnetic sealing machine, not included), providing tamper evident protection to safeguard brand integrity -Easy operation: facilitates quick and efficient batch sealing, enhancing production efficiency and simplifying the sealing processPackage list: 500 x sealed bottle gasket