[Good Sealing] The dust bag is made of non-woven fabric, combined with the cleaning station can effectively capture 99.7% of ultra-fine dust down to 0.3 tiny particles. [Auto Lock] It will lock automatically when you lift the dust bag, completely sealing the dust bag inlet to dust and dirt stay inside the bag. The ventilation layer of the dust bag filters out different levels of dust and debris to provide maximum capacity and durability It can remove 99.9% fine dust particles, protect the air in your living environment and the service life of the vacuum cleaner [Tips for Use] In order to keep your robot running at its best, please clean and replace parts in time. If you have allergies and pets , it is recommended to replace the dust bag every 2-3 weeks. Applicable Models: For Deebot X1 For Deebot X1 omni For Deebot T10 TURBO For Deebot T10 omni For Deebot T20 For Deebot T20 OMNI For Deebot T20 PRO For Deebot T20 MAX For Deebot T20 For Deebot T20 Material: nonwoven fabric colour: white Package Contents: 20 x Dust Bag 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.