All synthetic mop yarn resists abrasive floor surfaces such as quarry tile for long mop performance. Yarn blend absorbs 4-5 times the mop's weight. Colors are perfect for a color-coding system and resist mop graying for like-new appearance. Head Type: Wet Mop; Application: Floor Maintenance; Mop Head Style: Cut End; Mop Head Size: 16 oz. Package Includes: Includes six wet mop heads per case.