and high quality,Made of high-quality materials, more Side brush allows your vacuum cleaner to reach into for a more thorough cleaning Filter filters fine dust to reduce dust, pollen and other from penetrating into the air you breathe. Uniquely designed brushes with rubber treads to adapt to different floor surfaces that remove everything from small dust to large deposits. As part of normal maintenance, it can be easily removed and replaced,It is best to replace spare parts every 2 to 3 months to keep the machine running at its best performance For Robot Vacuum X20 +/X20 Plus Colour:As Shown Material:Plastic Package Contents: 2x roller brush 8x side brush 6x hepa filter 8x mop cloth 12x dust bags 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.