Premium Material: The trash bags are made of 2 layers of high-strength ultra-fine molded fiber filters and 2 layers of non-woven fabric for durability. It can effectively block pollen and fine dust particles and has good edge sealing. Easy to Install: Exactly sized to fit the iRobot, snaps on and replaces quickly and easily. The replacement and installation methods are the same as the original accessories. You don't have to worry about installation problems. We recommend replacing your Irobot Roomba vacuum cleaner bag every 2 months. Reduces the penetration of dust, pollen and other allergens into the air we breathe. Life is simpler. Easy to Install and Replace: Used vacuum cleaner filter bags can be easily removed and replaced with new ones. The practical hinged closure ensures that dust and dirt remain safely inside the bag and protects the interior, especially the motor of the device, from dirt. Changing the filter bags regularly maintains the performance of your vacuum cleaner and