Compatibility - Bags for iRobot Roomba i7 i7+ i3 i3+(3550) s9 s9+ (9550) E5 E6 E7 Robot Vacuum Cleaners. Suitable for all models with automatic dirt disposal for iRobot Clean Base. Premium Materials - The bags for Roomba i7 are made of a high-strength 3-layer fine fiber filter layer and 2-layer non-woven fabrics. The dust bag has a strong sealing property and an improved sealing inlet hole and a well-sealed edge. Easy to Install - The replacement and installation method is the same as the original accessories. It can be precisely compatible with iRobot Roomba. Snaps in place for quick and effortless replacement. There is no hassle during installation. Application Tips - To get the best performance from your robot, clean and replace the parts on time. Depending on the frequency of use, it is best to change the consumable replacement kit every 2 to 3 weeks. Large Capacity - The high-quality vacuum bag for iRobot Roomba i7 has a large interior and can hold up to 30 containers of dirt,