The Montana BOLD Marker contains 20ml of a super deep and high covering black BOLD ULTRA INK, that is made of extremely low-viscosity, alcohol-based formula. Montana BOLD ULTRA INK is weather and UV resistant, making it a real “made to stay” formula. The luscious, semi gloss finish ULTRA INK, can be applied to almost any surfaces. The ink is delivered through the markers felt tip by a refillable, pump system valve, that works perfectly with extremely low-viscosity inks, offering exceptional flow, especially on non porous surfaces like metal, glass or plastics. Montana BOLD ULTRA INK is permanent and highly abrasion proof, resulting in extraordinary high coverage and super quick drying time. The Montana BOLD ULTRA INK is deep, rich Black color, great for Tagging and Street Marking. Prepare for impressive fresh drips, so remember to wear gloves when hitting the streets.