3/4x9 roller cover. Using nonstick coated roller covers will make your painting project easier and faster with better results. Unique surface of these rollers will allow you to paint 30% faster. Paint sticks to the wall, not to the roller. Roller cover cleans fast with quick rinsing. Use with all paints. Fits on standard 9" roller frame. Refer to model No. 55506 for bulk packs. High-density knit fabric on 3/8" nap and larger. Woven fabric on 14" nap. 3/4" x 9" knit