"Nous avons des stylos."

Translation: We have pens.

[MADAMEFLOCH]

can't I translate "des stylos" as "some pens" ?

[sashee]

Yes.

[Sorin1B]

We have fountain pens?

[Samy1979]

stylo à encre {m}
stylo-plume {m}

http://fr.wikipedia.org/wiki/Stylo-plume