STAEDTLER Lumocolor permanent markers 350 and 352: - Permanent markers with chisel tip (approx. 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. - Easy to refill with refill station 488 50. - Available in 8 individual colours and in our stand-up STAEDTLER box. - Chisel tipped-markers.