PERFECT FIT - Compatible with i7 i7+ i3 i3+ i4 i6 i6+ i8 i8+/Plus E5 E6 E7 Robot Vacuum Cleaner. This set works as great as the original ones, precision fit and easy install. VALUABLE PACKAGE - Includes 4 set of dual multi-surface rubber brush rollers. The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier lifestyle. HIGHLY EFFICIENT FILTERING TECHNOLOGY - Unique Dual Multi-Surface Rubber Brushes don't get tangled with pet hair. Brushes adjust and flex to stay in constant contact with carpets and hard floors. EASY TO CLEAN AND REPLACE - Regularly clean and replace roller brush to improve suction and performance and extends the life of your robot vacuum. Colour: green Material: plastic + sponge Size: About 185mm in length Package Contents: 4 set x replacement roller brushes Only the above package content, other products are not included. Note: Light 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!