Description Crafted from excellent silicone, this sealing ring is designed to provide a secure and airtight fit for your insulated lunch box. Its Long-lasting and elastic material ensures long-lasting performance, making it an essential accessory for maintaining the freshness and temperature of your meals during transport. Features -Color:White -Material:Silicone -Size: 13.00X13.00X0.20cm/5.11X5.11X0.08in -External diameter: 13 cm. -Innerdiameter: 12 cm. -Practical design: enhance the sealing performance of your insulated lunch box with a sleek design, ensuring food stays fresh and warm for longer periods -Leakproof technology: advanced sealing technology prevents water leakage, keeping your bag clean and organized during transport -Microwave-safe material: made from high-temperature resistant silicone, this seal is proper for reheating meals in the microwave, ideal for busy students and professionals -Enhanced seal: the stable round shaped seal strip provides a more secure and tight seal, preventing any leaks or spills -Reusable and easy to clean: designed for repeated use, this silicone ring is simple to clean, reducing waste and making it proper for daily lunches or outdoor picnicsPackage list: 3 x lunch box sealing rings