[WASHABLE AND REUSABLE]Washing in warm water and let it completely air dry before reusing them. A mild detergent may be used if desired.To the cleaning efficiency and of the vacuum cleaner, it is recommended to change the filter every 3-6 months. 1. new, high-quality materials, well-made, , and highly matched to the original equipment. 2. Clean accessories enable your home robot to maintain optimal performance. Accessory contents are easy to remove and replace as part of routine maintenance. All while reducing dust, pollen and other allergens from seeping into the air you breathe. material: plastic Color as shown Package Contents: 1 x Rolling brush 2 x Filter 2 x Filter cotton 1 x Cleaning brush Only the above package content, other products are not included. Note: Light reflection 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.