Brand new and high-quality materials, well-made, durable, and highly compatible with the equipment. Clean accessories keep your home robot at peak performance. The contents of the accessories are easily removed and replaced as part of routine maintenance. Also reduces the infiltration of dust, pollen, and other allergens into the air you breathe. To achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. The dust bag of the sweeping robot collects dust and debris inhaled by the robot when it cleans the floor. The fibrous material can filter tiny particles from the air, thus reducing dust and pollutants in the indoor air. Dust bag can also prevent dust and debris from escaping from the robot, thus keeping the indoor environment clean, and can filter smaller particles, such as pollen, etc., thus providing users with a healthier indoor environment. Material: Non-woven fabric Color: White Package