Suitable for use with all flat and low sheen water-based paints. Jumbo roller sleeves are up to 30% faster to use than regular sleeves. The large core and surface area means greater coverage per paint load. Handy Tips: If you are painting overnight, make sure you wrap up your paint roller covers in cling wrap, so they don’t dry out. They can then be reused the next day to finish off your painting task. When painting a room always start on the ceiling and then work your way down from there. Ceiling, walls, trims and finally doors.