1. -new, high- materials, -made, durable and highly matched with the equipment. 2. Clean accessories keep your home robot at best performance. As part of routine maintenance, the accessories are easy to disassemble and replace. At the same time, reduce the infiltration of dust, pollen and other allergens into the air you . 3. In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced 2-3 months according to the frequency of use. 4.can greatly the air and reduce the particle size by up to 99.97%. Helps to remove household dust, pet dander, etc. 5. Say goodbye to odors. - can help reduce the unpleasant odors of pets, smoke, cooking smoke and various household and chemicals. Colour:As Shown Material:fiber Package Contents: 4 X mop cloth Only 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 thing. The measurement allowed error is +/- 1-3cm.