[Fit Model] This bag is only compatible with for Roborock Q Revo robot vacuum cleaner. Please make sure your robot meets the installation specifications before making a purchase.<br> [Leak Proof] This bag is made of 2 layers of ultra-fine meltblown fibre filters, 1 layer and 2 layers of non-woven fabrics, with hot-pressed edges to ensure 100% quality without any risk of leakage<br> [Large Capacity] The large capacity of 2.7L can hold up to 7 weeks of dust, collects 99% of the dust and reduces infiltration of dust and other dust particles<br> [Set Includes] Includes 14 replaceable Q REVO Robot Dust Collector Bags, meets the long-term replacement needs of 10-12 months<br> Type:vacuum cleaner parts<br> Colour:White & Gray<br> Material:non-woven fabric<br> Package Contents:<br> 14 * dust bags<br> Only the above package content, other products are not included.<br> 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.