[S7 MaxV Ultra Dust Bag Compatible Models] The dust bags are fully compatible with Roborock S7 MaxV Ultra, S7 Pro Ultra, Q5, Q5+, Q5+ Plus, Q7, Q7+, Q7 Max, Q7 Max+ Robot Vacuum Auto-Empty Dock. [The S7 MaxV Ultra dust bag is made of high quality fabric.] Replacement dust bags are made of environmentally friendly, environmentally friendly fabric and are hygienic.They have strong sealing properties so that no dirt or stains come out.[S7 MaxV Ultra Dust Bag Included] The S7 replacement disposable bag MaxV Ultra contains 9 dust bags.[Easy to Install S7 MaxV Ultra Dust Bag] No tools required, replace the dust bag and insert it directly to empty it automatically. [Premium Performance] To maintain the best performance, it is recommended to change the vacuum cleaner bag frequently.Please refer to actual usage.