Message On A Mug. Great #Father's Day #DIY Gift Idea. #Craft. #DecoArt Glass Paints (Gloss Enamels) are designed for use on glass and glazed ceramics but can also be used on porcelain and metal. Dishwasher safe. There are lots of glass paint options: opaque, crystal, translucent, frost, metallic, glitter, chalkboard and 3D.