Description This Japanese-style insulated lunch box sealing ring is designed to provide a secure and airtight seal for your food containers. Made from sturdy silicone, it ensures that your meals stay fresh and leak-proof. The sealing ring is an essential accessory for students and professionals who need to carry their meals on the go. Features -Color:White -Material:Silicone -Size:11.00X11.00X0.20cm/4.32X4.32X0.08in -Outer diameter :11 cm Inner diameter :10 cm -Versatile compatibility: suitable for various insulated lunch boxes, ensuring a fit fit for your food storage needs - sealing performance: the sealing ring provides exceptional sealing performance, keeping your food fresh and maintaining its taste -Durability: making it ideal for hot meals and ensuring durability -Adjustable design: conveniently adjustable to meet your specific requirements, providing flexibility and ease of use -Compact and portable: its compact size makes it easy to carry and store, fit for lifestylesPackage list: 2 x rice box sealing ring