Hygienic, long lasting, super strong quality mop head. Maximizes. Wringing power and is easier to twist. Wonder Mop features wrings out 20% more water. Microfibre strips allow floors to dry 44% faster. Long lasting mop head is machine washable up to 50 times. Works great on all hard floor surfaces. Power wringer locks firmly into middle grip while mopping. Refill is also available.