Filertek drywipe file tabs are environmentally friendly and can be re-used again and again with no paper wastage. Flip the clear cover open and write directly onto the tab with the dry-erase pen. Click the clear cover closed. To re-use, simply open the tab cover, wipe off the ink and write again!. Store the pen in a horizontal position when not in use. To remove, simply wipe with a wet cloth, alcohol-based, whiteboard or all-purpose cleaner. Ink may become harder to remove after a prolonged period. Fits all hanging files. Pack Contains;. 50 x assorted colour tabs (Clear/white, Red, Blue, Yellow, Green, Orange). 1 x black dry-erase pen - 1.0 fine tip.