and high quality Made of high quality material, professional and durable to use, long service life. Exquisite and delicate, highly matched with equipment. recommended replacement cycle is every 1-2 day to maintain the best performance of the machineInner diameter of the Help your robot vacuum cleaner maintain the good cleaning performance. As part of normal maintenance, Easy to remove and replace. Product name:Vacuum Cleaner Parts Compatible: For SC1/SC2/SC3/SC4/SC5 Cleaner Part colour:White Material:Cotton fiber Package Contents: 5 x mop cloth 5 x mop cover 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.