I am using this lunch box for my daughter’s lunches. Since she takes a lot of colder foods and snacks this works perfect for her. It does not work so well for my spouse since he usually takes leftovers that need to be heated up in the microwave and we all know that metal can not go in to the microwave. It is made of a shiny stainless steel and has three compartments. Clamps are easy to use. Cons- not airtight and can not hold liquids. Not microwave safe and would need to pack extras to warm food. Pros- Good for the environment..saves on using plastic bags. Great for sandwiches and snacks. I received this product at a discount. All my reviews are based on my own experience and evaluation of the product so that others can benefit in finding quality products that meet their needs & expectations.