[Good sealing] - The vacuum cleaner bag is made of melt-blown fabric and non-woven fabric, in combination with the cleaning station, it can effectively capture 99.7% of ultra-fine dust down to 0.3 small particles. [Automatic locking] - It locks automatically when you lift the vacuum cleaner bag, completely sealing the vacuum cleaner bag's inlet to ensure that dust and dirt remain inside the bag. [Tips for use] - For your robot to function optimally, clean and replace parts in time. If you have allergies and pets at home, it is recommended to change the vacuum cleaner bag every 2-3 weeks. It can remove 99.9% of fine dust particles, protect the air in your living environment and ensure the lifespan of your vacuum cleaner. Replace the old, broken or dirty vacuum cleaner bag and improve the cleaning robot's cleaning ability and effect. Type: Vacuum cleaner accessories Applicable models: For Dreame Z10 Station Quantity: 12 pcs Color: White Material: non-woven fabric Package contents: 12 * Vacuum cleaner 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 to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.