Made of high quality materials for durability,As part of normal maintenance, it can be easily removed and replaced It is best to replace the spare parts every 2 to 3 months to keep the machine running at performance Strong water absorption, easier to clean and reusable Easy to Install: These user-friendly accessories are easy to install, making them perfect for regular maintenance of your sweeper, ensuring performance and extended life. Seamless Integration: Easy to install and replace, the enhances the robot's performance and , making it the perfect upgrade for your existing equipment. Due to different batches, there may be differences in product appearance and printed text, which will not affect use for X30,S10PU Mechanical Arm Series Sweeping Robot Colour:As Shown Material:ABS Package Contents: 1x Anti winding roller 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.