[High-quality Material] The dust bag for iRobot Roomba is made of 2 layers of non-woven fabric and 2 layers of melt-blown fabric, sturdy and durable, not easy to tear and not punctured by sharp objects. debris inside and effectively filters 99.97% of dust and particles in the air without increasing dust recirculation or damaging the vacuum cleaner. All the dust collected by the robot vacuum cleaner is stored in the dust bag for i7, protecting the life of the motor and your home from dust pollution. [Easy Installation] The dust bag for i7 is easy to install. Just remove the used bag and replace it with a new one. It is recommended to change the bag every 2 to 3 months to maintain performance and extend the life of the vacuum cleaner. 【Extra Large Capacity】The kit includes 10 dust collection bags compatible with iRobot Roomba i7, with With a large internal space, the bags can hold up to 30+ containers of dirt, dust and hair, preventing clogging of the iRobot dust bag accessories and