The Deli Highlighter S621 is a high-quality, non-toxic accent marker featuring a 1-5mm versatile chisel tip for broad or fine highlighting. It uses fast-drying, vibrant fluorescent ink that does not bleed through paper and is suitable for regular, copy, and fax paper. Available in colors like yellow, green, orange, purple, pink, and blue, it offers long-lasting performance with a comfortable grip design.