Suitable for whiteboard and all kinds of smooth surface Non-toxic,natural smell,environmental new design triangular pen barrel SKYGLORY ... pen, permanent marker pen, whiteboard pen, highlighters etc. for years.Besides, we provide staple, stapler, paper punch, binder ... :1. Suitable for whiteboard and all kinds of smooth surface2. Non-toxic,natural smell,environmental3. New design pen barrelITEM NO ...