[Compatible Models]The vacuum cleaner bags for Roborock S7 MaxV Ultra / S7 Pro Ultra /Q7+ / Q7 Max+ / Q5+. Perfect replacement for the bags. [Premium Materials]S7 MaxV Ultra vacuum bags are made with high strength 3-layer super fine meltblown fiber filter layer and 2-layer non-woven fabrics. Q7+ dust bag has strong sealing property and improved sealing inlet hole and well sealed edge. [Safe Environment]Q7 Max+ dust bag has strong sealing properties and easy disposal without the cloud of dust. It dramatically traps dust, dirt and waste, preventing them from recirculating into the air in your home. [Easy to install]The replacement and installation method is the same as the accessories. It can compatible with Xiaomi Roborock the vacuum cleaner precisely. Snaps on for quick and effortless replacement. There is no hassle for installation. [Great Value Package]Replacing vacuum bags regularly will improve the overall performance of vacuums. Colour:Photo Color Material:non-woven fabric Package Contents: 12 x dust bag 1 x cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.