Our silicone sealing rings are designed to provide an airtight seal for your food storage containers, ensuring freshness and preventing leaks. Made from silicone, these gaskets are heat-resistant and flexible, making them for use in a variety of food storage applications. Whether you're packing a lunch or storing leftovers, these seals will keep your food fresh and secure. Features -Color:White -Material:Silicone - Size: 15.00X15.00X0.80cm/5.89X5.89X0.31in -Freshness keeper: the silicone sealing ring effectively maintains the freshness of your food, ensuring it stays delicious for longer periods -Enhanced seal: the unique rectangular shaped seal strip provides secure and tight seal, preventing any leaks or spills - and stretchable: made from silicone, this seal ring is resistant to tearing and deformation, offering durability -Heat resistant: capable of withstanding high temperatures, this seal can be safely used in microwave ovens for heating food -Versatile use: suitable for various containers such as water bottles and lunch boxes, making it a versatile addition to your kitchen accessories Package list: 1 x Lunch Box Sealing Ring