Corelle glass dinnerware is made in USA from a unique material called Vitrelle and is renowned for being thin and lightweight yet strong and durable. It is chip, break and stain resistant. It also has long lasting patterns that will not wash, wear or scratch. Set contains: 4 dinner plates 27cm, 4 side plates 21.6cm, 4 cereal bowls 18.4cm and 4 stoneware mugs 8.5cm. Vitrelle glass. 4 place settings. 4 dinner plates, 4 side plates, 4 bowls and 4 mugs. Dishwasher safe. Microwave safe.