and chalk work

a double-sided mobile guide sheet is included — ruled lines on one face

and good UV resistance

The Montana BOLD Marker 10mm Chisel features an alcohol-based

and you control the flow of ink by pumping the tip against your surface

montana bold marker 15mm broad Furious and chalk workThe Montana BOLD Marker 15mm Broad applies alcohol based, permanent ink that leaves rich, semi gloss coverage made to last. Lightfast, UV stable, and abrasion resistant, it withstands sun and handling, ensuring your work remains vibrant over time. The wide, 15mm flat tip is ideal for filling large areas quickly, layering colors, or creating bold, expressive strokes across various surfaces.