Highly recommended for plastic signs or other non-porous surfaces!
Bold strokes on almost any porous or non-porous surface such as glass, plastic, metal, vinyl, rubber and paper. Marks are easily removed from porous surfaces. Pencils are wrapped with a tear-away string for easy sharpening. Non-toxic. Colors available in black, yellow, red and white. Set includes black, yellow, red, white and a bonus black.
