The ideal tool for industry and trades * for almost all surfaces, e.g., glass, leather, fabric, stone, metal, wood, and plastic * For opaque markings even on dark and transparent surfaces * does not bleed through paper * Vibrant colors and lightfast * Color pigments do not cause corrosion * Does not dry out * Odorless * wood-cored pencil * water-soluble * Washable off many smooth surfaces such as plastic, metal, paint, leather, etc. * Washes out of many fabrics