The Corelle Winter Frost White 6-3/4-inch Plate Set includes six plates that are the perfect size for serving lunch or appetizers to family and guests. Each plate features a fundamental, basic style that's perfect in its simplicity and pure in form. These plates are made with Corelle triple-layer strong glass, which is lightweight, stackable, and resistant to chips and breaks. The plates in this set are dishwasher safe and can be used in an oven or microwave. Corelle glass is made in the USA, and comes with a three-year limited warranty against manufacturer defect.