... 2,easy to clean 3,Food grade silicone with LFGB / FDA standard Best Design of Food Grade Folding Silicone Lunch Box1. Food grade ... life3.Simple, practical, easy to use4.Health, natural antibacterial5 High strength flexibility, corrosion resistance and adaptability.6. Not easy to ... .centigrade8.Safe, non-toxic, odor-free. Long-term use of the color change9 Non-Stick. Any food raw materials are not ...