The Lumocolor Pen from Staedtler is a permanent pen designed for use on almost all surfaces, including wood, glass, plastic and more. Featuring Dry safe ink, the pen can be left uncapped for days without drying up. The ink has high smudge-proof and waterproof qualities on almost all surfaces. This pen features a medium nib, with a line width approximately 1.00mm. The ink is fast drying which means the pens are ideal for left-handed users. The ink is also light-fast and weatherproof making this an incredibly versatile pen. - Brand: Steadtler - Main material: Plastic - Permanence: Permanent - Water resistant: Yes - Ink colour: Black - Tip type: Fibre tip - Nib width: Medium (1.00mm) - Dry Safe Ink