These medium pile roller sleeves are perfect for painting lightly textured or semi-smooth surfaces, such as walls with repaired damage spots. The sleeves have a 12mm nap that allows them to reach into the crevices found on textured ceilings. They are suitable for all types of emulsion paint and made of woven polyester, ensuring even coverage and minimal splatter. 4" roller sleeves are ideal for tackling smaller and hard-to-reach areas. They fit a standard 4" roller frame.