Handy pen is designed specifically for marking on acetate films, such as overhead projector transparencies & laminated boards. Formulated for intense heat, the fade-proof ink dries quickly, without bubbles or cracks. Durable fine-point tip aids in the production of highly detailed graphics & legible text. Bold, bright colors help your ideas stand out. Marks wipe away easily with a damp cloth. Odorless Vis-Vis products are an ideal choice for use in classrooms & small offices. Marker Ink Type: Wet Erase; Marker Tip Type: Bullet; Marker Tip Size (text): Fine; Marker Color(s): Black.