Replacing old spare parts periodically will help your vacuum cleaner maintain the good cleaning performanceEasy to replaceCompatible With:for XIAOMI ROIDMI X20 NEX Handheld Vacuum CleanerColour: picture colorMaterial: plasticSize: about 234x46mmPackage Contents:3 * Roller 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.