Hasami's Porcelain stoneware is made from a combination of Hasami clay and unglazed porcelain at a specific ratio for strength and durability. Clean lines make the piece eye-catching, and each is one of a kind, with the character and uniqueness of hand-made, quality porcelain. - 100% Porcelain Mug - Black Finish - Modular, Stackable Design - One Size Ø (diameter) 8.5 cm x H 10.6 cm - Handmade in Japan