The pens contain black water-based permanent pigment ink

A little water is all you need to dissolve the colors

The canvas has a size of F6

these markers are ideal for a wide variety of surfaces like stones

high-performance marker that can handle any job with ease and precision

montana empty marker 15mm standard tip Molotow Sketcher Twin Marker The pens contain black water-basedThe Montana Empty Marker 15 mm is a refillable marker with a specially optimized valve system and pump mechanism for smooth, controlled ink flow. It works with all Montana inks and paints, and comes with a replaceable 15 mm tip and mixing balls to keep your colors consistent. Delivered empty, its ready to be filled with your preferred ink or marker paint.