Here are some more details on this antsyface enamel mug, an alternative to a smiley face mug:
• Material: Enamel
• Dimensions: height 3.14″ (8 cm), diameter 3.54″(9 cm)
• White coating with a silver rim
• Hand-wash only
• Blank product sourced from China
Watch out! Don’t heat liquids or food directly in the mug—it can damage the coating. You don’t want that.