The open twist-blended white yarn in this mop provides enhanced absorption. Wide coverage and sewn construction are ideal for tough industrial jobs. A non-pre-treated disposable white mop designed for 1 use applications. The slip-through backing style eliminates tie strings that can break or fail. 4-ply, open-end spun yarn has a balanced blend of cotton fiber. 12 each per case.Renown dust mop36 in. x 5 in. of 4 ply yarnsWhite heavy-duty12-pieces/carton