Paint Roller Cover, Cover Type Standard, Surface Texture Semi-Smooth, Smooth, Compatible Roller Frame Style Cage, 4 1/2 in Overall Length, 3/8 in Nap Size, Surface Material Concrete, Drywall, Masonry, Wood, Paint Type Oil Based Paints, Water Based Paints, Core Diameter 1/2 in, Cover Material Nylon, Polyester, Core Material Polypropylene, Sheen Type Eggshell, Flat, Satin, Package Quantity 2