... :1-3 4\Material:stoneware Ceramic coffee mug gift set Item No.MHH00111501DescriptionCeramic coffee mug gift setCertificationCE/EU,CIQ,EEC,FDA,LFGB,SGSColorInside ... in various colors and patterns. With stylish, pure white and crystal-clear appearance, they are heat-resistant, acid-resistant, alkali-resistant ...