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