Permanent and waterproof marker.
Pigmented high quality ink with high light resistance.
No acid; neutral pH.
He doesn't pass through paper.
It's a four-letter set.
Contents:
- XS = 0.1 mm;
- S = 0.3 mm;
- F = 0.5 mm;
- M = 0.7 mm.
Colour of ink: black.