1. Brand new and high-quality materials, well-made, durable, and perfectly matched to the equipment. 2. Clean accessories allow your home robot to maintain optimal performance. The contents of the accessories are easy to remove and replace as part of routine maintenance. While reducing dust, pollen, and other allergens from entering the air you breathe. 3. To achieve the best cleaning and filtration effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. 4. The sweeper robot dust bag collects dust and debris inhaled by the robot when cleaning the floor. Fiber materials filter tiny particles from the air, 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, thus providing users with a healthier indoor environment. Material: plastic color: as shown Package Contents: 9 x Sweeper Dust