- Permanent markers with locked bullet or chisel tip (approx. 2 mm or 2 or 5 mm)- DRY SAFE: The markers can be left uncapped for days without drying up (test ISO 554)- Airplane-safe: An automatic pressure equalization prevents the marker from leaking on board aircraft- Excellent smudge-proof and waterproof qualities on almost all surfaces- The markers' ink dries in seconds, therefore they are ideal for left-handed users- Lightfast (black and green for over 10 years on paper)- Black and green are weatherproof- Colour-intensive, low odour, xylene-free- With clip- PP barrel and cap guarantee long service life- Eco-friendly: Easy to refill with STAEDTLER Lumocolor refill station 488 50- Available in 8 individual colours and in our stand-up STAEDTLER box