Super Black alcohol-based ink is permanent and opaque. High quality ink works well on almost everything. 12ml capacity. Excellent for use on paper, cardboard, metal, and painted surfaces. Double-sided nib, 3mm bullet or 5mm chisel, writes on most surfaces. A great all-around marker for everyday use. Long-lasting. Handmade in the USA. Conforms to ASTM D-4236. Prop 65 compliant. Warning: Flammable and may cause irritation. Keep away from children. Featured artist: Sam Larsen