be (not) (one's) type
To have the personality and/or physical appearance that one is typically attracted to. Often used in the negative to mean the opposite. I'm not surprised she's flirting with John—he's definitely her type. It's not that I don't like her. She's just not my type.
(not) be somebody’s ˈtype
(informal) (not) be the kind of person that somebody likes: Mark isn’t really her type — she prefers quiet, sensitive men.Gerry is more my type.