3-piece trim roller kit contains: (1) Jumbo-Koter Shergrip frame, (1) 2-Pk. 4-1/2 In. x 3/8 In. Jumbo-Koter mini microfiber roller covers, and (1) Jumbo-Koter 4-1/2 In. plastic tray. Roller covers are high capacity and shed-resistant microfiber fabric for use with all paints, stains and enamels. Unique fiber blend grips and holds paint, virtually eliminating splatter. Achieve smooth and professional results with increased production.