The lock box is your healthy lifestyle helper! . Now you can easily steam a variety of poultry, vegetables, and fish in just minutes. This versatile lock box can be used as a lunch box, steamer, or storage container. The tray insert and pressure release vent turns the lock box into a compact and convenient steamer for healthier meals at home or on the go while fat and grease drips under the tray and away from food when cooking or reheating. It is 100% BPA free and is microwave and freezer safe.