Pack of 2 mini rollers and frame. 4 in. (100 mm). Super fine foam rollers. Smooth surfaces for all paints. Ideal for melamine paints, semi-gloss & high-gloss paints, urethanes, stains and varnishes. Excellent for painting doors, cupboards, cabinets, furniture, toys, stairs, walls, behind appliances, radiators and other hard to reach places.