[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 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 Omni Robot Vacuum-Mop 1S ( B116 ) For B101CN Vacuum and Mop Robot For Robot Vacuum X10 For Robot Vacuum X10+ ( B101GL ) For S10 For S10 Pro For S20 Pro ( RLS72CE ) For X10 Ultra For L10 Ultra For L10s Ultra ( RLS6LADC