Quickly and easily install the replacement mopping cloth.Compatible with for X9 Pro robot vacuums. The build ensures the washable mop cloths can easily remove stubborn stains. They also absorb water without fading or leaving lint on the floor, and are fast drying. The mop cloth has good softness, while cleaning the dirt, it also protects the floor from being scratched. These replacement mop cloths are made of soft material to protect floors from being scratched, while still removing dirt. Works well on well-sealed floors such as tile, hardwood, and stone. Colour:Gray Material:superfine fiber Package Contents: 20x Mop cloth Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.