Boardwalk Cotton Mop Heads are made from absorbent natural cotton fiber and used for all general mopping purposes. The quality heads are constructed of four-ply, cut-end yarn for added absorbency. The soft material is safe to use on a variety of floor types, especially heavily trafficked areas. The standard heads are used with a clamp-style mop handle, which is sold separately. - Absorbent natural cotton fiber for general mopping. - Four-ply, cut-end yarn. - Standard heads use clamp-style mop handle.