The Leifheit Clean Twist/Combi Micro Duo mop head has a double fiber composition that gives it twice the cleaning power. The special bristles stick out a bit and remove dirt from every gap. Microfibers have tiny little voids to remove all the dirt and water.The mop head is washable at 60°C and will not lose its cleaning power even after repeated washing and can be easily attached to a handle.Material: Polyester and polyamideWashable at 60°CIdeal for all smooth floorsFabric: Polyamide: 22%, Polyester: 78%