From G.E. Designs, Gudrun Erla. Easily mark your rulers, templates, cutting mats and more! Make your cutting more accurate, consistent and faster. Easily removable without any residue. You can reuse and reposition the stickers a few times. Sticker arrows in 3 bright colors, total of 192 stickers. 1 sheet each of 3 red, yellow and purple or for more fun call them Strawberry Daiquiri, Lemon Drop and Grape Ape. Write on the stickers with permanent marker pens or wet erase pens. Works extremely well with the Stripology rulers.