Used for Wet Mopping, Refill made of special PVA material which has super water absorbency, It absorbs water 10 times of its weight. Makes floor completely dry. Easy water Sqeezing system, just pull lever up to sqeeze water. Water does not drop unless lever is pulled up- so no need to carry bucket to clean. Extensible aluminium handle. Ideal for Floors, Wooden Floors, Marbles, Vinyl Flooring.