[Fit Model] This bag is only compatible with for Q robot vacuum cleaner. Please make sure your robot meets the installation specifications before making a purchase. [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 100% quality without any risk of leakage [Large Capacity] The large capacity of 2.7L can to 7 weeks of dust, collects 99% of the dust and reduces infiltration of dust and other dust particles [Set Includes] Includes 14 replaceable Q Robot Dust Collector Bags, meets the long-term replacement needs of 10-12 months Type:vacuum cleaner parts Colour:White & Gray Material:non-woven fabric Package Contents: 14 * dust bags 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.