Multi-Surface water-based marker pens, Safe, lightfast metallic colours with superior covering power. Superimposable paint markers with medium nibs. Ideal to decorate card, wood, glass, leather, crockery, plastic, Das clay, and metal. Ventilated safety cap and security plug. Store horizontally. Test the pen on a piece of paper for a few seconds to obtain a metallic  effect . Not food safe, even when dry , for decorative use only