High quality brand new material, well made, and well matched to the old equipment. Clean accessories keep your home robot running at its best. The contents of the accessories 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, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. Color: White Material: Non-woven fabric Package Contents: 22 x Dust Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.