This wet cleaning refill is specially made for the flat dust mop system. Its innovative microfiber material is ideal for use on all hard floor surfaces, such as wood, laminate, tiled and lino. The flat dust mop system refill is also very easy to change. Simply attach to the velcro for superb cleaning and drying results. To use you can run the mop head under warm water then hand wring the cloth and place onto the mop head. Alternatively apply floor cleaner to the floor first then sweep over with the mop. The flat dust mop system refill is machine washable in warm water.