Double-ended Erasable Highlighter offers chisel tip fluorescent highlighting on one end and a clear liquid eraser on the other end. If you make a mistake with the highlighting end, just use the erasing end to erase it. Highlighter"s three-way chisel tip lets you do wide, medium or fine line highlighting. Water-based, see-though fluorescent ink is acid free and nontoxic.UCH6666SF5. 6666SF5. Marvy Marvy Erasable Highlighter.