Specifications Material:ABS Plastic High-concerned chemical:None Vacuum Part Type:BRUSHES Model Number:For iRobot Roomba J7 J7 Plus Brand Name:OSSIEAO Origin:Mainland China Type:Vacuum Cleaner Parts Feature Compatible with the iRobot Roomba J7 series Roomba J7 SKU: J7150 Roomba J7 + (With Automatic Dirt Disposal models) SKU: J7550 Notice 1,These are not Xiaomi or Roborock / iLife / Dyson / iRobot / 360 / Ecovacs / Conga genuine /original products,what we sell are brand new compatible replacement type. 2,Package include all kits show in pictures which option you selected above. 3,If package lost or broken in transit ,we will refund money to you,you should contact us ASAP. 4,Please contact us before leaving any negative feedback or opening any dispute on AliExpress.We will help you to resolve the problem. 5,Please give us the opportunity to resolve any problem.We understand the unhappiness you might have if the order go wrong,but we will try our best to give you the satisfying results. 6,All accessories in our store are washable. Shipping Information 1. WORLDWIDE SHIPPING. 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 6. If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! 7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable.