1. new, high-quality materials, well-made, , and highly matched with the equipment. 2. Clean accessories keep your home robot at its best performance. As part of daily maintenance, the accessories are easy to remove and replace. At the same time, reduce the infiltration of dust, pollen and other allergens 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 depending on the frequency of use. 4. The dust bag of the sweeping robot is used to collect dust and debris inhaled by the robot when sweeping the floor. The fiber material can filter tiny particles in the air, thereby reducing dust and pollutants in the indoor air. The dust bag can also prevent dust and debris from escaping from the robot, keep the indoor environment clean, and can filter out smaller particles such as pollen, etc., so as to provide users with a healthier indoor environment. Colour:As Shown Material:Nonwoven Package