Versatile loop feature so you never lose your highlighter! Visible ink supply, so you know before you run out. Pigmented, fluorescent, nonfading ink in bold colors. Smooth ink flow for consistent highlighting. Micro chisel tip lets you highlight both wide and narrow lines of text. Quick-drying, odorless and nontoxic ink. Fluorescent orange, blue, fluorescent yellow, fluorescent green and fluorescent pink.