10.0 x 8.0 in (24.4 x 20.3 cm). Trap + lock 50% more dirt (vs. Swiffer sweeper multi-surface wet mopping cloths) + DirtMagnet Strip. Good Housekeeping: Since 1909. Limited warranty to consumers. Replacement or refund if defective. Visit www.swiffer.com. Questions? 1-800-214-8734. Safe on all finished floors (Do not use on unfinished, oiled or waxed wooden boards, non-sealed tiles or carpeted floors because they may be water sensitive). Assembled in Canada.