1.Made of 100% food grade silicone raw material
2.Used in plastic container, lunch box, glass container as silicone gasket, leak-proof guaranteed
3.Non-Toxic, No Smell, Tear Resistance, Re-Usable, Durable, Eco-Friendly, life-span reach 10 years
4.With good sealing function, water resistance, oil resistance, anti-aging, insulation, cools quickly and easy-to-clean
5.All manufacturing processes are strictly according to the request of ISO 9001