The outer BPA free plastic carries the 304 stainless steel lunch box. We chose stainless steel as it is a surface preferred by many as there is no transfer of plastic particles to your food items, plus stainless steel is more hygienic. Odors and taste don?t penetrate stainless steel at all. The clip on lid is very convenient and unbreakable so you can easily open and close the your lunchbox hassle free.

This insulated lunch box will keep your food, sandwiches, soups, beverages, drinks warm, cold or fresh for lunch, so you can pack your kids' lunches in the morning, and it will stay warm until lunchtime, material - high quality insulation, non toxic plastic, high quality stainless steel inner wall.