Description Designed with a unique Japanese bento lid seal ring, this lunch jar gasket ensures insulation for your food container, keeping meals warm and fresh for students and office professionals. The silicone seal replacement is compatible with numerous lunch box brands, enhancing airtightness and preventing leaks during daily commutes or outdoor activities. Features -Color:White -Material:Silicone -Size:13.00X13.00X0.20cm/5.11X5.11X0.08in -Enhanced heat retention: designed with insulation food gasket and lunch box ring, this seal ensures your bento jar maintains optimal temperature, keeping meals warm for longer periods whether at school or work -Protection: featuring a precision lunch jar gasket and lid seal gasket, this bento box accessory secures your lunch box, effectively preventing spills and leaks during transport or outdoor activities -Elasticity: elastic seal ring and silicone replacement gaskets offer durability and resistance to aging, keeping your food jar seal ring tight and prolonging the freshness of stored food -Universal compatibility: the replacement silicone gasket seal and bento gasket are designed to fit a variety of bento and lunch boxes, making it easy to switch and upgrade your lunch box parts for extended usability -Effortless cleaning & clean: the silicone lunch box seal and insulation silicone ring can be easily removed and cleaned, ensuring your bento container gasket remains safe and clean for everyday usePackage list: 2 x Lunch Box Sealing Ring