Kleenex is the brand name of a type of facial tissue, the kind that you use for blowing your nose. It is an English name, but it is borrowed by French, and means exactly the same thing. "Des Kleenex" simply means, some Kleenex. (Technically, "des" means "of the" but in practice, "some" is a better translation.)
Ciseau is a masculine, singular noun. Des ciseaux is plural and masculine.
In French, the word "jeans" is masculine and is written as "le jeans".
Un stylo; Des stylos. Masculine
masculine
They are masculine, un crepe or for plural des crepes
Masculine : un rubis. Plural : des rubis.
No. It is plural for some and can be used for both masculine and feminine words.
des surligneurs (masculine)
It is feminine as the word is Des Ciseaux, which means it's feminine. :)
"Baskets" is considered a masculine noun in French.
des élastiques (masculine)