Corelle Coordinates twelve piece storage bowl set come with six bowls and six air tight plastic sealable lids in the Simple Lines pattern. Each bowl is make of enamel on steel with stainless steel rims. The set includes six bowls; .75 quart, 1.15 quart, 1.5 quart, 2.15 quart, 3 quart, 3.75 quart with enamel on the outside and white enamel interior. This bowl set is great for storage, mixing (please use wooden/silicone utensils) and even looks great as a serving bowl.