Pyrex Prepware Sculptured 6-Piece Serving Bowl Set, Clear with Blue Lids Set of 3 serving bowls with plastic covers for storage and transport; includes 3-, 6-, and 10-cup capacities Clear, nonporous Pyrex glass won't stain or absorb odors Clear glass allows you to watch your food as it cooks Incredibly durable as long as sudden changes in temperature are avoided Safe for oven, microwave, freezer, and dishwasher; 2-year warranty; made in USA