For those who enjoy preserving food, our silicone gaskets are practical for mason jar lids and vacuum sealers. They create an airtight seal that keeps your food fresh for longer periods. To use, place the gasket inside the lid or sealer, ensuring it is properly aligned, and then secure the lid or sealer onto the jar. These gaskets are reusable and easy to clean, making them a convenient choice for food storage. Features -Color:White -Material:Silicone -Size:7.00X7.00X0.50cm/2.75X2.75X0.20in -Temperature endurance: this silicone gasket can withstand extreme temperatures, both , making it suitable for a wide range of industrial and household applications -Versatile use: practical for use in water meters, pipes, mason jars, and more, this gasket adapts to different needs with ease -Fade resistance: its ability to resist fade, including acids and oils, ensures performance in harsh environments -Leak prevention: the gasket's sealing properties prevent leaks, safeguarding against water, gas, and dust infiltration -Durability: designed to last, this gasket resists deformation and aging, providing reliable service over extended periods Package list: 10PCS x mason jar lid gasket