Product Details Porcelain has been manufactured in Hasami, Nagasaki, Japan for over 400 years. Hasami Porcelain is borne of an attempt to fuse this tradition with a modernity for practical yet beautiful homeware. Grey porcelain mugs with a shiny glaze finish. Designed in Venice, Los Angeles but manufactured in Japan. Mugs are Stackable. Made from a mixture of porcelain and clay. Size Medium: 369ml, Height: 8.9cm Materials & Care Porcelain and Clay Blend Variations in colour and texture in ceramic ware is natural. Dishwasher and Microwave friendly.