Most mopheads are not worn out during use but due to misuse.
Some tips for proper care, enlarge the life time and the efficiency of mophead.
1) After the end of every use, shake hard and remove hair, fluff, dirt and other pieces from bottom.
2) Very dirty mopheads should be placed in washing machine.
Prefer to place them each in a laundry bag and then in washing machine.
3) Store mopheads hanging in a dry place, without them touching wall or floor.