The replacement mop is only suitable for S8 S8 + S8 Pro G20 robot vacuum cleaner, please double check the machine type before ordering. The upgraded version of the mop upgrades the vibration module from 1 zone to 2 zones, providing a mopping area for and more effective removal of dirt and stains. The mop pad maintains its deodorizing effect even after multiple washes. This mat is more absorbent, dries quickly and is machine washable. Clean and replace the pads regularly to keep your robot's vacuum at . Material: fiber colour: light gray + dark gray Package Contents: 2 x Double-shock rags with missing corners 2 x Single-shock rags with missing corners 2 x Semi-circular double-shock rags 2 x Semi-circular Single-shock rag 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.