The UNi-PRO Trade range combines high-quality components with trade fabrics to give you maximum performance and professional results.The set includes a frame plus two covers; 1 x acrylic cover for walls and ceilings and 1 x enamel cover for gloss finishes.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.