The Harris Ultimate Corner Roller Sleeve has been specifically designed and engineered to be compatible with the Harris Ultimate Corner Roller system, giving you a smooth rollered finish right into the corner when painting walls and ceilings with emulsion paints. The soft sleeve uses splatter control technology in the roller fabric, so more paint goes on your walls, leaving you with less mess at the end of the day. This corner roller is specifically designed to bring a soft roller finish to the corners of your room.