Best Design of Food Grade Folding Silicone Lunch Box 1,Folding 2,easy to clean 3,Food grade silicone ... healthy nutrition; collapsible, incorporating occupy the smallest space. Features1.ECO-friendly, low-carbon.Organic material can be recycled, low energy consumption2 ... refrigerator, freezer,microwave, oven. Stand a temperature range from -60 to 230 degree.centigrade8.Safe, non-toxic, odor-free. Long ...