[Good Sealing] --- The filth bag is manufactured from melt-blown fabric and non-woven fabric, mixed with the cleansing station can efficiently seize 99% of ultra-fine grime appropriate down to zero tiny particles. [Auto Lock] --- It will lock robotically once you carry the dirt bag, completely sealing the dirt bag inlet to dust and mud reside contained in the bag. [Tips for Use] --- In order to maintain your robot working at its best, please clean and update components in time. If you've got allergic reactions and pets , it is strongly recommended to switch the dirt bag every 2-3 weeks. Replace the old, damaged or dirty Dust Bag, and improve the cleaning potential and affect of the cleaning robot 100%Made of amazing materials, environmental nice materials, mushy and to use. Colour:White Material:non-woven material Package Contents: 12 x Dust Bag Only the above kit content, different products will not be included. Note: Light mirrored image and various displays may cause the colour of the article in the picture slightly diverse from the real thing. The dimension allowed error is +/- 1-3cm.