The STAEDTLER Lumocolor permanent marker means business. Designed for diverse surfaces, its quick-drying ink becomes waterproof and smudge-proof. This marker's medium point ensures precision for everything from detailed lab work to creative crafts. With its dry-safe technology, the STAEDTLER marker stands ready, even after days without its cap. Count on consistent, bold lines on film, foil, plastic, metal, and glass, making it a versatile tool.