Package Includes: 3pcs of white cotton string mop head. (pole is NOT included) Material: quality cotton, absorb any dirty water quickly and clean all types of mess Dimension and Fit: twists onto any pole with Standard US Threading (ACME 3/4 inch Thread). It fits most of mop handle or extension pole you already possessed. If you have any problem with compatibility, you can buy our poles or return this mop head. Looped End Cotton Strings: better grip with the dirt and leaves no fabric lint. Machine Washable Package Includes: 3pc of white cotton string mop refill. (handle is NOT included)