Superior Airtight Seal: Designed to create a tight, leak-proof barrier, these silicone gaskets maintain food freshness by preventing air and moisture from entering containers, extending the shelf life of your stored food. Premium Food Grade Silicone: Crafted from food grade silicone, these gaskets ensure safe, non-toxic, and odorless sealing, making them perfect for preserving freshness in your glass food storage containers. Reliable and BPA-free, they provide peace of mind with every use. Long-Lasting and Reusable: With excellent elasticity and wear resistance, these gaskets offer long-lasting performance, are easy to clean, and can be reused multiple times without cracking or breaking, providing excellent value and sustainability. Heat and Cold Resistant: Resistant to a wide temperature range, these silicone sealing rings withstand both freezer and microwave use, making them versatile for everyday kitchen needs without deformation or loss of sealing capability. Flexible and Easy to Install: The 2-meter length silicone rubber ring offers flexibility and can be easily cut to fit various container lids, providing a customizable sealing solution that's quick and hassle-free to replace or upgrade your old gaskets.