The Edding 141 F permanent pen is ideal for precise, lasting writing on smooth, non-porous surfaces like plastics and OHP films. Its fine 0.6mm round nib delivers accuracy, while the quick-drying, permanent ink ensures clear, durable marks that are resistant to water, light and smudging, perfect for detailed work and presentations. The practical clip keeps the pen from rolling away, and the cap can be stored on the barrel to prevent loss. Features and Benefits Delivers precise lines with a fine 0.6mm nib for detailed work or writing on small surface areas Long-lasting marks on virtually all smooth, non-porous surfaces, including OHP films and plastics Rapid-drying, waterproof permanent ink for clear marks with no risk of smudging or fading Convenient clip for portability and easy access. Overhead pen for permanent and smudge-proof drawing, labelling and writing on smooth surfaces such as plastic and glass; ideal for overhead projection The pack contains 10 permanent pens in black. The permanent pen's ink is waterproof and quick-drying; for easy and clean use at school or in the office. High-quality fine round nib for precise marking; for reliable and highly visible markings that are meant to last permanently smudge-free.