Use Delta Ceramcoat flash metallic paints on your next DIY craft project to achieve metallic sheen that shifts in changing light! part of the storied Delta Creative system of paints and finishes, Delta Ceramcoat flash metallic paints dry to a beautiful gloss finish and can be used indoors and out. The acrylic-based Ceramcoat flash metallic paint is water-based and non-toxic. Easy clean-up while wet with soap and water.