[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. [Automatic Locking] It automatically locks when you lift the dust bag, completely sealing the dust bag entrance to ensure that dust and dirt stay inside the bag. The ventilation layer of the dust bag filters different levels of dust and debris to provide maximum capacity and durability It can remove 99.9% of fine dust particles, protect the air in your living environment and ensure the life of the vacuum cleaner [Usage Tips] To keep your robot running at its best, please clean and replace the parts on time. If you have allergies and pets, it is recommended to replace the dust bag every 2 to 3 weeks. Applicable models: For Omni Robot Vacuum-Mop 1S ( B116 ) For All-in-One Robot Vacuum Cleaner B101CN For X10 Robot Vacuum Cleaner For X10+ Robot Vacuum Cleaner ( B101GL ) For S10 For S10 Pro For S20 Pro (RLS72CE) For X10