The black Edding 152M OHP marker is suitable for writing temporary texts on overhead sheets, transparent plastic foil, glass and plastic. The overhead projector marker produces non-permanent, smudge-resistant marks and contains water-soluble ink. This OHP pen has a round tip with which clear lines of 1mm wide can be made.
Edding 361 red whiteboard marker. This refillable whiteboard marker has a round point, makes a 1mm mark and is suitable for use on almost all porous surfaces such as glass, enamel and melanin. The low-odour pigment ink is fade-resistant, dries quickly and is dry-erasable. Doesn't contain butyl acetate.