Golden yellow fabric blend of 50% lambs wool and 50% polyester delivers 100% performance in all flat or satin paints, stains, and waterproofing. Wool provides maximum paint capacity and a smooth finish; polyester reduces matting. The Wooster Brush Company has been manufacturing innovative, high-performance painting tools right out of Wooster, Ohio USA since 1851. Our trade names include Ultra/Pro, Advantage, Yachtsman, Shortcut paintbrushes; Super/Fab, Super Doo-Z roller covers; Sherlock frames and extension poles; Jumbo-Koter minirollers; and Prep Crew surface prep tools. You can feel confident knowing Wooster is the name behind your painting tools.