Our innovative patent pending FlexBox Lunchbox Set features a unique 4 compartment bento style silicone plate insert that creates a leak-proof seal without the need of a rubber gasket. Another unique and fun feature is the interactive Charm board on the outside of the lunchbox that kids can decorate with their favorite FlexCharmz for individual style! This starter set includes 2 charms to get the fun started. When removed from the FlexBox, the silicone plate is oven and microwavable safe for convenient baking and reheating of foods. The lunchbox is easy to clean as the silicone plate insert, charm board and FlexCharmz can all be easily removed from the outer FlexBox for thorough fuss free cleaning. A worry-free and sensible lunchbox that does not mold or leak and encourages healthy, waste-free meals is a WIN-WIN for parents and kids! BPA free, Phthalate free, PVC free, lead and plasticizer free.