1. Clean brushes keep your home robot operating at peak performance.2. Side brushes are easy to remove and replace as part of routine maintenance.3. For best results, spare parts should be replaced every 2 - 3 months.Colour: Blackmaterial: plasticPackage Contents:6 x side brushes2 x cleaning toolsOnly 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.