Compatible models: the dust bags are compatible with Roborock S8+ / S8 Pro Ultra / S7 MaxV Ultra / S7 Pro Ultra / Q7 Max+ / Q7+ / Q5+ robot vacuum cleaner. Note: they do not fit S7/ S7+/ S7 MaxV/ S7 MaxV Plus Vacuum, please confirm the vacuum cleaner model before purchase. More quantity: the accessories for Roborock S7 MaxV Ultra include 16 vacuum cleaner bags and 1 cleaning brush, more accessories for a sufficiently long time. Improved design and materials: the vacuum cleaner bag for Roborock Q7 Max vacuum cleaner adopts 4-layer filter system, 2-layer high-quality soft non-woven fabric, 2-layer Melt Blown Cloth, more durable and completely robust, upgraded design of the handle of the push-pull, improved sealing rubber, no dust and other dirt particles leakage will occur. Upgraded more than 3L capacity, keep more dirt than the others. Easy to install: the accessories for Roborock S7 Pro have snap-in design, quick and easy to replace, quality as good as , depending on the frequency of use, it is best to replace the bag accessories for Roborock Q5 every 2 to 3 weeks. Colour:As Shown Material:Nonwoven fabric Package Contents: 16x dust bags 1x clean 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.