Staedtler Permanent Lumocolor Marker
This universal pen writes on almost all surfaces with it's quick drying smudge-proof and water proof ink. Will be permanent and light fast on most surfaces. This pen also resist drying out allowing the cap to be left off for days before drying up. The automatic pressure equalization prevents pen from leaking on board aircrafts.
Available in: Medium -1. mm
Fine - 0.6 mm
Superfine- 0.4 mm