A continuous 40' of our Pretreated Disposable Dust Mop. The mop can be easily cut with the included knife. Made with natural cotton cut-end yarn that contains an extra center row for greater performance, this mop will save labor and time. Pretreated 40' continuous dust mop can be easily cut (knife included) to desired length. Reduces cost and controls inventory by eliminating various mop sizes. High strength woven tybar backing provides long wear. Fits any standard 5 in. dust mop frame.