100 percent stainless steel - this coconut lunch box is made from food grade stainless steel. Since there is no plastic it has the benefit of being bpa less so you don't have to worry about your food. This product can be washed in the dishwasher and leaves none of the food stains that plastic containers often get. This durable coconut stainless steel lunch box is the perfect size to fit in your backpack or purse and durable enough to keep up with your busy lifestyle. Part of a healthy lifestyle - the food container allows you to easily pack a nutritious lunch for you and your family. This is also great for meal planning and portion control.