Paint roller and tray sets 3-piece with foam brush. For trim work, small projects and touch-ups. For all paints. For smooth and semi-smooth surfaces. Doesn't leave unsightly fuzz, lint or seam marks. Foam conforms to surface irregularities and provides contour coverage. Wil l not mat down. Has a reservoir action and carries most of the paint below the surface in thousands of tiny open cells. Less frequent dipping and less spreading out of paint. Cleans quickly and easily.