26.5 x 20.3 cm (10.4 x 8.0 in). Trap + Lock: Dirt, dust, hair & allergens (common inanimate allergens from cat and dog dander & dust mite matter); multi-surface. Safe on wood & all finished floors. Use with Swiffer Sweeper; Swiffer Sweep+Vac. Deep ridges trap dirt. Locking technology holds the dirt in. Good Housekeeping: Since 1909. Limited warranty to consumers. Replacement or refund if defective. www.pg.com. www.swiffer.com. Questions? 1-800-214-8734; www.swiffer.com. Visit swiffer.com. Try Swiffer wet mopping cloths refills.