Lumocolor® permanent pen with housing made of 97% recycled plastic. Suitable for overhead projection. Excellent smudge-proof and waterproof qualities on almost all surfaces. Dries in seconds, therefore ideal for left-handed users. Permanent, low-odour ink. Black is lightfast. PP barrel and cap guarantee long service life. Can be left uncapped for days without drying up. Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft. Superb colour brilliancy. Line width broad, approx. 1.0 - 2.5 mm. Refillable.