use high-strength environmental protection materials to the performance and a healthier .Side brushes can penetrate into corners and edges to remove more dirt, dust and debris.Easy installation and disassembly, no extra effort and time.As part of normal maintenance, it can be disassembled and replaced.Cleaning accessories keep your home robot at performance.Product Category: Sweeper AccessoriesApplicable models: For W11Function: CleaningUse environment: householdcolor:Photo colorMaterial:plasticPackage Contents:3 x Strainer4 x Side BrushesOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.