Bible study gel highlighters set of 10; recommended and tested for marking on Bible paper.Inductive Study Kit contains 10 acid-free, non-bleeding, non-smearing accu-gel highlighters. Bible-safe; each color corresponds to a topic of study, matching up with the Inductive Bible study plan. Highlighters in reusable clear vinyl zipper case; each marker with removable cap and pocket clip. Silky smooth gel highlighters.