Solo leather feel briefcase or carry on luggage

Solo briefcase -Has a couple of stains inside but it has a zipper to make it larger or smaller in the middle . It has a cell phone / wallet area w/ pen slots as well as another open small pocket. The middle has two sections ; one for your computer & the other area for files & the back has a large zipper opening . It DOES NOT SAY LEATHER iT JUST FEELS LIKE IT & tag does not say what material it is .