[Good Sealing] - The dust bag is made of blown cloth and non-woven fabric, combined with the cleaning station can effectively capture 99.7% of ultrafine dust down to 0.3 tiny particles. [Automatic Locking] - It will automatically lock when you lift the dust bag, completely sealing the dust bag entrance to ensure dust and dirt stay inside the bag. [Using Tips] - 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. It can remove 99.9% of fine dust particles, protect the air in your living environment and ensure the service life of the vacuum cleaner Replace the old, broken or dirty dust bag and improve the cleaning ability and effect of the cleaning robot Type: Vacuum Cleaner Accessories Applicable models: for Z10 station Quantity: 12 pieces Color: White Material: non-woven fabric Package Contents: 12 * Dust Bag Only the above package content, other products are not