We offer discount for large quantity. Welcome to contact with us! 1. Brand new, high-quality materials, well-made, durable, and highly matched with the original equipment.2. Clean accessories keep your home robot at peak performance. Accessory contents are easily removed and replaced as part of routine maintenance. Also reduces dust, pollen and other allergens from seeping into the air you breathe.3. In order to achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months according to the frequency of use.4. Say goodbye to odors, pre-filters can help reduce unpleasant odors from pets, smoke, cooking fumes and various household products and chemicals.Material: fibercolour: As shownPackage Contents:4 x mop clothOnly 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.