Featuring Black and Sepia, traditional colors of pen and ink renderings. Sepia color is a muted brown with a reddish tinge that brings nostalgic warmth to art, fashion, interiors, and design. Its longstanding versatility has been a timeless classic since Roman times. These fine-point pens feature waterproof, quick drying pigmented ink for permanency and true color reproduction. Use for graphics, drafting, illustration or accounting. Experience smooth, skip-free writing and crisp ink colors that leave consistent lettering and lines every time. The archival ink is acid-free, chemically stable and fade resistant. It does not smear, feather or bleed-through on most papers. Includes a 003 and an 005 of each color.