WOOSTER R236 POLAR BEAR ROLLER|Wooster’s Polar Bear roller is made of a proprietary white plush fabric that allows huge paint pickup and release with al flat, satin or eggshell paints, stains, sealers and primers. It reaches into textures and uneven spaces, resulting in a smooth finish every time. Its green double-thick polypropylene core resists water, solvents and cracking. Item #15041-7is 9 inches long, with a medium-to-rough nap.