Ideal for slip-on backing for easy set-up and for general-purpose dust mopping. Looped-end design traps more dust and won't fray, unravel or lint. Pretreated, preshrunk, launderable. Envelope style backing. Handle/frame sold separately. Head Type: Dust; Application: Floors; Mop Head Style: Looped End; Mop Head Size: 18 x 5.