Package Includes: 3 PCS blue microfiber cloth mop heads(Pole is NOT included) Mop Head Material: microfiber strings. microfiber cloths contain millions of tiny fibers that have a slightly positive charge to attract grime and dirt. because the fiber is so small and so much it penetrates cracks and pickups every small particle. microfiber’s properties make it a superior material for cleaning. Dry Fast and Restrain Bacterial Growth and Odor: mop heads could be washed with all kinds of disinfectants and dry fast Looped End Microfiber Strands: better grip with the dirt and leaves no fabric lint. And the microfiber strands are thick and full, so the plastic top of the mop head doesn’t scratch the floor Twists Onto Any Standard US Threading Pole: mop head twist 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 it. microfiber cloth string mop heads