Disposable dust mop refill keeps you ready for everyday dusting. Four-ply, cotton yarn is soft, absorbent, strong and durable. Slot Pocket 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 and 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.