..M2 Professional Cotton-Pro„¢ Wet Mop €¢ Cotton Cut End and Looped Wet Mop Head. The cotton mop can ideally be used for all purpose washing, scrubbing and stripping. €¢ Uses a superior grade of 4 ply cotton yarn which requires less breaking. €¢ Looped-end mop heads are made of high quality materials for dependability. €¢ Heads allow convenient floor maintenance while reducing fraying, unraveling and lint.