Our Name is Mud - Each piece in the line is bold, fresh and colorful, with witty sentiments that makes you feel that you have found a truly unique gift suited to a specific individual. Our Name is Mud uses lead-free, high density dolomite ceramic, the most chip resistant and highest quality earthenware on the market. Each piece is microwave and dishwasher safe. Our Name is Mud is a perfect marriage of art and functionality; each piece is carefully constructed and hand painted, made to be used and enjoyed on a daily basis. 4 inch x 4.5 inch.