These fast drying, water-based, non-toxic ink marks can be seen on paper, plastic, metal wood, and stone.
The marks are permanent on absorbent surfaces, and the colors can be overlapped when dry. They are highly opaque, lightfast, odorless, and non-blurring.
Big & Broad Markers make strokes 5/8" or 3/8" wide. Fine Line Markers make strokes 1 mm (0.04") wide, Medium Tip Markers make 2 mm (0.08") wide strokes, and Chisel Tip Markers make strokes 6 mm (1/4") wide.