Product Description 8-Color PC-5M Mono Tone Set : white, beige, silver, grey, slate grey, deep grey, navy blue and black Non-toxic, water-based POSCA paint markers can be used on almost any surface, and are loved by professionals, creative hobbyists and amateurs alike. The alcohol and solvent-free opaque paint covers well, is blendable, dries quickly and can be overlaid when dry. ACMI certified and made in Japan.