This Mop Rag replacement is compatible with for Roborock S7 series, T7 and T7 Plus Robotic Vacuum Cleaners.This Mop Cloth replacement is compatible with for Roborock Sonic Mopping Technology VibraRise .Intelligent control lifting sound wave vibration wipe the ground!Colour:blueMaterial:fiberSize:300 x 110mmPackage Contents:1 * mop padOnly the above package content, other products are not included.Note: Light shooting 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.