The edding 400 is a refillable fine permanent marker for precise everyday labeling. Its 1 mm round nib is well suited to small surfaces, tags, and clean writing on paper, cardboard, plastic, glass, and metal. The permanent ink is quick-drying, waterproof, lightfast, and wear-resistant, with a low-odor formula. This red version is sold as a single marker and is a practical choice when you need neat, durable marking across many common materials.