Made of polyester fibers in an open textured, nonwoven pattern. Abrasive particles are dispersed throughout and bonded to the nonwoven construction with a durable adhesive. Designed for aggressive cleaning of floors, baseboards, and corners. Removes old finishes and wax build-up. Ideal for extra heavy duty scrubbing and for removing tough built-up grime. Full Cycle®. Green Seal™ Certified.