Main Material: made of high quality material, environmentally friendly material, soft and , long-lasting. Easy to install and remove, no need to spend extra effort and time. Easy to clean, helps to remove dirt, dust and garbage from the floor. Replacing old, worn out or dirty dust bags improves the cleaning ability and effectiveness of the cleaning robot Replacement of spare parts should perfectly be done every 2 to 3 months to maintain best performance of the machine. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Modle: For Q Material: plastic colour: As Shown Package Contents: 2 x roller brushes 12 x filters 12 x rag 12 x side brushes 12 x 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.