Compatible models: compatible with Stone S7/S7+/S7 MaxV/S7 MaxV Plus/S7 MaxV Ultra robot vacuum cleaners. Washable: the cloths made of washable microfibre are as thick as the old and the soft material of the S7 cloths does not scratch the floor. It can remove dust easily and effectively and achieve a good cleaning effect. Easy to install: the perfect replacement cleaning cloth to improve the cleaning performance of your robot vacuum cleaner, and it is very convenient to replace the old mop and attach a new one to the robot vacuum cleaner. [7 PACK] - This product from us is a 7-pack of cleaning cloths to meet your and time and money when buying again. color:Blue Material:superfine fiber Package Contents: 7 x 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.