So, English is not my first language.
Anyway, the ink is fine, waterproof, as long as I can see, what is amazing,
because I'm a illustrator. Buuuttt... is not the totally black kind of ink. It's
almost gray, in my opinion, which is made this lose some points.
But if you are looking for a ink to write, which doesn't make a mess with water,
this ink is totally cool.