Shed-resistant and high capacity For Today's Paints: flat, eggshell, satin. HydroFlow technology provides controlled release, prevents sagging. Lager-colored fabric exclusively from Wooster for fastest coverage, non-matting for longer life. Polypropylene core resists water, solvents, and cracking. 9 In., 14 In., and 18 In. have green double-thick polypropylene core. Length: 4 In. \nNap Size: 3/4 In. \nSurfaces: Rough \nCore Type: Standard, Polypropylene \nMaterial: Knit \nInterior/Exterior: Interior/Exterior \n