Disposable dust mop refill keeps you ready for everyday dusting. Four-ply, looped-end design reduces fraying & unraveling. Keyhole-style, half-tie synthetic backing is quick-drying. Disposable nature means you can just toss it away once you are done. Dust mophead is made of cotton. The handle & 36" frame are sold separately. Refill is compatible with the Genuine Joe 1" x 60" Vinyl-coated Steel Handle, 1" x 60" Wooden Handle & 1-1/2" x 60" Wooden Handle.