BULLET 1 LUNCH BOX Plastic & BULLET 2 LUNCH BOX Plastic. We are all somewhat aware of this reality, but we simply choose to ignore it. However, the fact that plastic is hazardous remains. Your plastic lunch boxes leach harmful substances into the food they contain, including phthalates, PVS, and BPA. The toughest lunchboxes are made of steel while the lightest are plastic or bamboo. Versatility is important, and this varies by material.
