Eco Bamboo 5 Piece Stacking Bowl Set Produced of sturdy bamboo fiber and contains 1 of each capacity: 4-qt., 2.5-qt., 1-qt., 3/4-qt. and 1/4-quart Melamine & petroleum free product One year guarantee Dishwasher safe, light yet sturdy, not for use in microwave Great for everyday use, entertaining, parties, housewarmings and very gift able!