The Wooster Brush Company RR666-4 Pro Doo Z FTP Roller Cover 3/8-Inch Nap No shed and high density For Today's Paints: flat, eggshell, satin, semigloss, gloss, enamels, primers, urethanes, epoxies HydroFlow technology provides controlled release to improve paint flow Exclusive white fabric with a double golden pinstripe for smoothest finish, greater capacity Green double -thick polypropylene core resists water, solvents, and cracking For semi-smooth surfaces