When water-based markers are used on the board and are abandoned for quite
some time, there usually remain strong stains. If this happens continuously, time
and effort to keep the board cleaned will increase as time goes by. Given the sa-
me size of the board, traditionally it takes a lot of movements of arms from the top
to bottom until stains are obviously gone, however, with this product, you can ea-
sily clear them out automatically. Especially those existing big whiteboards used
for education or office purposes have a long life cycle and they tend to have a lot
of stains, which cause much inconvenience.
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