A marker featuring both a fine and wide tip:Lumocolor duo writes on each surface, permanent and without drying up. Double-tipped permanent markers STAEDTLER's Lumocolor permanent markers can be left uncapped for days without drying up (test ISO 554).
Features:
DRY SAFE: The marker can be left uncapped for days without drying up (Test ISO 554)
Airplane-safe: The automatic pressure equalization prevents the marker from leaking on board aircraft
The marker's ink has excellent smudge-proof and waterproof qualities
The marker's ink dries in seconds and is therefore ideal for left-handed users
The markers are also suitable for overhead projection
The tips remain locked in place even when subjected to heavy writing pressure
The markers' ink comes in four brilliant colours, low odour and is xylene-free, black is even lightfast and weatherproof