Trap + lock. Multi-surface. Specially coated fibers grab onto dust & don't let go! Good Housekeeping: Since 1909. Limited warranty to consumers. Replacement or refund if defective. www.swiffer.com. www.pg.com. Visit swiffer.com. Questions? 1-800-214-8734 www.swiffer.com. Try Swiffer Dusters Heavy Duty. Trap and lock dust from every direction. Dusters assembled in Canada.