Compatible with: For S8 Pro Ultra robot vacuum cleaner. Materials and installation: It is made of advanced environmentally friendly materials, so it can withstand stronger impact force to protect the vacuum cleaner. It is and easy to install. Tips for use: Regularly cleaning and replacing the spare parts will keep the vacuum cleaner powerful all the time and extend the service life of the vacuum cleaner. Material: plastic color: as shown Package contents: 1 pair of rotating brushes 4 filters 4 side brushes 3 x rag 1 x cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.