< ul >< li >  Fine Tip Dry Erase Markers have quick - drying ink that are low in odor , & easily erasable < li > Features magnetic marker caps with mounted felt erasers that will adhere to any magnetic receptive surface .< li > Ideal for use on dry erase boards , cardboard , glass , and most non - porous surfaces . Its magnet backing will attach to your refrigerator , file cabinet or locker at home , office or school .< li > The magnet cap is extremely practical as it provides easy access to your marker and eraser at all time . The eraser mounted on its cap also ensures convenient & fast erasing . All you need to do is flip the marker , erase , and resume writing .< br >< div > < p > < span > Fine Tip Dry Erase Markers are the most practical markers ever ! Each marker measures 4 . 5 inches . Never lose your eraser again ! With the magnet & amp ; eraser mounted on its cap , you will always have it handy ! Suggestions : Re - cap marker immediately after use . Store the markers horizontally with the cap pointing downward for better performance .