With this set of 3 containers you not only get a storage set but also great microwave cookware. These durable PP (BPA free) bowls are microwave dishwasher and freezer safe. The set comes with three bowls and each come with a clear lid that has a built in steamer valve. These bowls are great to make small meals as well as serve and store away. Left over?s are also easy to re-heat and are great for packing a lunch for work or school.