Purdy 144688093 Contractor 1st,  9 inch x 1/2 inch nap Use with oil or water based enamels and flat paints This products adds a great value This product is manufactured in United States Use with oil or water based enamels and flat paints For semi-smooth to semi-rough surfaces Polyester Best on exterior surfaces Provides smooth rolling, even release, uniform coat every time Coating Type: Latex and Oil-Based Paints and Primers Sheen Type: Flat, Eggshell, and Satin Project Type: Drywall, Ceilings, and Concrete Materials: Knitted Medium Density Polyester