Cardew Design Crosswords Bone China Mug, 15-Ounce, Set of 4 Four 15oz cups made of light bone china Fully wrap around sance with artwork and copy in and outside of mugs High Fired Porcelain with full wrap around decal, extremely durable Highest quality ceramic ware, dishwasher and micro safe Designed by Paul Cardew, world famous UK artist, specializing in teapots and accessories for over 35 years