Kept Kiela & Memorization Sheet Set This is a set of the erasable highlighter "Kiela" and a foldable memorization sheet. The memorization sheet comes with a case, so you can store it in a pencil case or a pocket of your planner. It's easy to store and convenient to carry around. The red highlighter hides the marked parts with the green sheet, and the green highlighter hides the marked parts with the red sheet. Almost new.