These Uniquely Designed Highlighters Are A Favorite Among Professionals, Academics, Students And Organizers Of All Kinds. Ideal For Color-Coding, Editing Or Studying, The Stabilo Boss Original Highlighter Features A Chisel Tip That Allows Two Different Line-Widths And A Geometric Design That Keeps Them From Rolling Away. The Vibrant Ink Is Suitable For Paper And Copies. Don'T Worry If You Accidentally Forget To Put The Cap Back On: Thanks To Stabilo Anti-Dry-Out Technology, This Highlighter Can Be Left With Its Cap Off For Up To 4 Hours Without Drying Out.