Corelle Square Pure White 1-Quart Bowl Set (2-Piece) Corelle Square Pure White 1-Quart Bowl Set includes two 1-quart bowls. Features a fundamental, basic style thats elegant in its simplicity and pure in form. Bowls are made with Corelle triple-layer strong glass, which is lightweight, stackable, and resistant to chips and breaks. 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.