Hamilton For The Trade medium pile roller sleeves feature warp knitted fabric that gives quick even coverage when painting smooth and semi-smooth surfaces. The 9” Hamilton roller sleeves offer reduced spatter and gives less mess saving you time on bigger projects. The seller set is ideal for painting larger areas on walls and ceilings, slightly uneven surfaces like unpolished concrete or previously painted walls. The pack includes 5 9” Hamilton For The Trade Roller Sleeves that are easily cleaned when washed in warm soapy water, also included is a cage frame and roller tray. Hamilton For The Trade roller sleeves get the job done and leave you with a smooth finish when used alongside emulsion paints.