Staedtler Marker Lumocolor Permanent Bullet Point Black

Excellent smudge-proof and waterproof qualities on almost all surfaces
Dries in seconds, therefore ideal for left-handed users
Colour-intensive, low-odour
Lightfast (black for over 10 years on paper)
Black is weatherproof
Locked tip
PP barrel and cap guarantee long service life
DRY SAFE – can be left uncapped for days without drying up (Standard atmosphere according to ISO 554)
Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft
Xylene and toluene-free ink
Refillable