Our 5 Piece For the Trade 9" Roller set contains high specification poly blend medium pile roller sleeves for good paint pick-up and a smooth finish on smooth and semi-smooth surfaces. Fabric is heat-fused to the core to prevent any unwinding. Frame has a 5 wire cage for roller security. Suitable for use with emulsion, and solvent-based and water-based eggshell paints. Use a medium pile sleeve for surfaces such as woodchip or lightly patterned, or a previously painted wall."