[Good Sealing] - - The dust bag is made of melt-blown fabric and non-woven fabric, combined with the cleaning station can effectively capture 99.7 percent 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. [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. Large capacity: The dust bag has a large holding space, which can collect more dust and reduce the cleaning frequency. Easy to replace: dust bag design is simple and easy to use, easy to replace, no special tools or professional skills are required. type: A-7 x dust Bag Applicable models: For VS20A95923W VS20A95923B or AA, VS20A95923N or AA, VS20A95923W or AA Material: non-woven fabric colour: blueandwhite Package Contents: 7 x dust Bag 1 x Cleaning Brush 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.