Good Quality with Free After-sale Warranty. Compatible with: This accessories kit rolling brush compatible with RoboVac 11S, RoboVac 30, RoboVac 30C, RoboVac 15C, RoboVac 12, RoboVac 35C.High Quality Roller Brush: Environmentally friendly material, resistant, delicate and soft, effectively helps the robot vacuum cleaner to clean the floor.Easy to Replace: Snap into place for quick and effortless routine replacement. No tools required, easy to replace the main brush.Suggest that change replacement parts of robotic cleaner every 2~3 months to keep the vacuum cleaner working with high-performance.A Quiet Clean rolling brush design significantly reduces vacuuming noise. leaving a quiet space for your family and activities.Regular replacement roller brushes will help to maximize cleaning performance. Specially in home with pets.color: bluematerial: plasticPackage Contents:3 * Main brushOnly the above package content, other products are not included.Note: Light shooting 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. About tracking number update: If your tracking number is no logistics information, as thousands of parcels sent to foreign countries, logistics companies did not update logistics information, please us the first time, Please kindly do not directly open the dispute. We are the first time for you to solve!Time of shipment:All of product we can shipping out within 5~8 weekday, on usually we are according to customer orders time for packing and shipment, we need to carefully check the quality of the goods before to Ship, So take some time to handled.Time of delivery: Due to force majeure factors: hurricanes, rainstorms affect flights. Leading to logistics delays. We are honest sellers, will not let you suffer any loss. Please give the logistics company a little processing time, we wait for the package