Features Smear Guard ink specially formulated to not smear when highlighting over many pen and maker inks (includes inkjet printouts, written notes, newspapers and more)*. Color won't fade type or bleed through most paper. Durable chisel tip is great for highlighting or underlining. Quick drying, odorless ink. AP Certified non-toxic. *Based on consumer surveys. Let ink dry before highlighting. 12 Fluorescent Yellow Highlighters.