Stoneware is dishwasher & microwave safe. Hand wash Acacia wood with mild soap. Avoid harsh detergents or soaking. Oil may be used for care and upkeep of wood. Extra Large - 5.25" dia x 7.75 " Large - 5.25" dia x 4.75" Medium - 4" dia x 3.75" Small - 3" dia x 3" Extra Small - 2.75" dia x 2" Handcrafted in Thailand