Disposable dust mop made with soft, open-twist blended cut-end yarn for increased dust pick-up. Pre-treated material good for 500,000 square feet of dust mopping before replacement. Full tie, envelope-end backing style with durable Typar? backing. Head Type: Dust Mop; Application: Floor Maintenance; Mop Head Style: Cut End; Mop Head Size: 36" x 5".