[Good Sealing] --- The grime bag is made of melt-blown fabric and non-woven fabric, combined with the cleaning station can effectively seize 99% of ultra-fine dirt all the method all the way down to 0 tiny particles. [Auto Lock] --- It will lock mechanically once you increase the dust bag, permanently sealing the dirt bag inlet to dust and mud dwell contained within the bag. [Tips for Use] --- In order to preserve your robotic operating at its best, please clear and replace substances in time. If you've got allergy symptoms and pets , it is strongly recommended to exchange the filth bag every 2-3 weeks. Large capacity: The grime bag has a large preserving space, that might bring together more grime and decrease the cleansing frequency. Easy to replace: grime bag design is easy and straightforward to use, clear to replace, no special devices or reliable skills are required. Model Number: For S8 MaxV Ultra For G20s Material: non-woven material colour: White Package Contents: 12 x Dust Bag Only the above equipment content, other products usually are not included. Note: Light reflection and various reveals may cause the colour of the item within the photo somewhat assorted from the genuine thing. The dimension allowed error is +/- 1-3cm.