Made with a unique matte porcelain traditional to Hasami Town, Japan, these mugs are dishwasher and microwave safe. To us, they're the perfect size for our daily coffee ritual.  Created from porcelain made from natural Amakusa pottery stones mixed with potter's clay, with refined clean lines. Product Details: Pairs with Wooden Coaster and LidDishwasher and microwave safeStain-proof exteriorHolds 13 oz. More about Hasami: Made in Hasami, Japan where ceramics have been the primary craft for the past 400 years.