It is a permanent ink marker with an elongated micro tip for precise markings, and is ideal for use when marking hard-to-reach areas. It dries quickly on almost any surface and is weather and wear resistant. Ideal for precise, fine-line marking. Industrial-strength ink: waterproof, quick-drying, durable. Xylene-free ink eliminates health problems. Application: metal, plastic, wood, cardboard, paper, glass, wood, clothing, fabric.