Foam Paint Roller Kit: 4 Inch high density foam paint roller cover 5 pcs, 4 inch paint tray, 4 inch paint tray liner, 4 Inch paint roller frame Multiple Adaptability: Small foam paint roller covers can be used on most flat surfaces, like the doors, cupboards, and cabinets, and leave smooth and even finishes High Density Foam: Mini foam paint roller is durable with water and oil based paints, glosses, stains, emulsions, and varnishes, and won't deform easily Sturdy Frame: The roller frame is matched with the foam roller cover well and will bring stable and flexible rolling experience High Quality Tray: The depth of the tray can hold plenty of paint. The supplied tray liner is of high quality that can be thrown away or cleaned, but it is sturdy enough for the next use