7 colors Super Black alcohol-based ink is permanent and opaque. High quality ink works on most surfaces. Colors are dye-based ink and translucent. Excellent for use on light colored surfaces such as white paper. 22ml capacity. Excellent for use on paper, cardboard, metal, and painted surfaces. 7mm chisel tip is best for smooth surfaces. An excellent all-around marker. Handmade in the USA. Conforms to ASTM D-4236. Prop 65 compliant. Warning: Flammable and may cause irritation. Keep away from children.