Wooster Brush RR923-9 Inch Super Fab FTP Roller Cover, 3/8-Inch Nap Shed-resistant and high capacity For Today's Paints; flat, eggshell, satin HydroFlow technology provides controlled release, presents sagging Exclusive lager-colored fabric for fastest coverage, non-matting for longer life Green double -thick polypropylene core resists water, solvents, and cracking For semi-smooth surfaces