• These replacement vacuum bags only perfectly fit for Roborock S8 Pro Ultra / S8 / S7 Max Ultra / S7MaxV Ultra / Q5 / Q7 / Q7 Max / Q5 Pro / Q8 Max Vacuum Cleaner. Please check your vacuum cleaner models before purchase
• Includes 18 packs of automatic dirt disposal bags, 1 piece of cleaning brush and 1 piece of screwdriver. The filter bags work as well as original brand's. They are more affordable and meet your long-term replacement needs
• Compared with the traditional cleaning method, the dust bag is made of 2-layer superfine melt-blown fiber filter layer and 2-layer non-woven fabrics, has strong sealing property, easy disposal without the cloud of dust
• High-efficiency filter keeps the vacuum cleaner clean while reducing the penetration of Dust particles. This bag can lock 99% of dirt. Each disposable bag holds 3L of dirt and debris so you don’t have to think about vacuuming for weeks. Effectively reduce replacement frequancy
• We will still stand behind our products and provide you with our best service. If you have any problems about our products and amazon customer team could not help you resolve product problems, please feel free to contact us