![]() ![]() ![]() The chisel tips in this 12-pack are great for writing and for drawing adults and children equally enjoy their satisfying coverage. Expo dry erase markers are the gold standard, offering consistent, dependable ink in amazing saturated colors. It is a non-permanent marker and uses an erasable ink that adheres to the writing surface without binding to or being absorbed by it.ġ. One type of whiteboard pen (also called a whiteboard marker or dry erasable marker) was invented by Jerry Woolf of Techform Laboratories and later patented by Pilot Pen in 1975. There’s not a ton of information covering how or why Woolfe created the dry erase marker, but the marker made its public debut sometime around 1980.
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