, high quality material, well made, durable and well matched to original equipment. Clean accessories keep your home robot per compatibleming at its best. Accessory contents are easily removed and replaced as part of routine maintenance. Cleaning accessories keep your robot clean while reducing the infiltration of dust, pollen and other allergens into the air you breathe. To achieve the best cleaning filter effect, cleaning accessories should be replaced every 2-3 months depending on the frequency of use. material: plastic Color Package Contents: 1 x Roller brush 1 x Glue brush 4 x Side brush 4 x Filter screen 4 x Mop cloth 2 x Dust bag 1 x Cover Only 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.