These durable, unique shape and stylish stainless steel food containers(set of 2) are made of high quality stainless steel. Use it for your children's meals/snacks, or for your own. It's a great and healthy alternative to plastic and other disposable boxes. Big box measures 5.25(Diameter)X 2.75(Height) inches and holds up to 24 Oz water/liquid. Small box measures 4.5(Diameter)X 2.5(Height) inches and holds up to 16 Oz water/liquid. Keep them on your table inside for durability during your child's dinner, or bring them with you for outside eating occasions like parties or camping.