Sometimes there are ways to help the environment that you would have never considered. Until I told you about them. To be fair, I wouldn't have considered these eco highlighters until someone else told ME about them either. So there you go. These pencils use no plastics, no solvents and will not bleed through the paper. And they come in several pretty colors. So make your studies eco-friendly AND pretty for just $6.95 for a pack of 4 at Stubby Pencil Studio.