【Wide Compatibility】The dust bag is suitable for iRobot Roomba I7 E5 E6 S9 S9+. Please check your machine model before purchasing. 【High-quality Material】The vacuum cleaner bag is made of 2 layers of high-strength ultra-fine blown fiber filters and 2 layers of non-woven fabric, which can effectively block pollen and fine dust particles, and the edges are well sealed and more durable. 【Easy to Install】Customized for iRobot, designed with a non-slip top that snaps into place for quick and easy replacement. The replacement and installation methods are the same as the original parts. You don't have to worry about installation problems. 【Super Value Package】: We provide 14 vacuum bags. We recommend replacing the vacuum bag every 2 months. It reduces the penetration of dust, pollen, and other allergens into the air we breathe. Life is easier.