Compatible models: for Mi Robot S12/Mop 2S/Mop Pro/Mop P vacuum cleaner. Product quality: roller brushes, side brushes and mop mats are made of high-quality materials that are durable and practical. Good workmanship, very compatible with your machine. Product features: the roller brush can remove dirt surfaces, the side brush can reach corners and edges to remove more dirt, dirt and dust, and the mop can help you vacuum the robot and clean the air around you like new. Replacement time: The replacement parts should be replaced every 2 to 3 months, depending on how often you use the machine to optimal performance. Colour:Photo Color Material:plastic Package Contents: 1 x roller brush 4 x filter 6 x side brush 4 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.