These "peel & stick" dots can
be used to attach an eraser or marker to any
clean dry surface. You can stick the black dot
on an eraser and stick a white dot on the board.
The eraser then "sticks" to the board until you
decide to take it off and use it. When finished
just "stick" the eraser back on the board. Never
search for a marker or eraser again. Use four
sets of dots to hold a dry erase board in place.