MODEL: Compatible with Shark S3101, S3102, S3250, S3251, SK115, SK140, SK141, SK410, SK435CO, SK460, SS460D, SS460WM MOP PAD SIZE: about 12.8 x 7 inches/32.5 x 18cm (White one); about 13.3 x 7.5 inches/34 x 19cm (Zigzags one) MICROFIBER MATERIAL: Microfiber has strong water absorption and dry fast property. Triple-layer sandwich mesh lining design releases steam easily and won't scratch or smear floor surfaces. Easy to attach on mop head with its loop part of hook and loop HARD FLOOR CLEANING: Designed to use on all smooth sealed hard floors. like wooden floors, ceramic tile, laminate floors, marble floors