Please Note: This is NOT an OEM product, it is a replacement accessory.Features: -Vacuum Bags 100% Compatible with iRobot Roomba i7+(i7556) Robot Vacuum Cleaner )/ S9+(9550, 955020). -Made of ultra-fine meltblown fiber filter sheet and non-woven fabrics to block pollen and small dust particles very effectively. - The handle of the push-pull design has a strong sealing property to ensure that all the dirt picked up is contained in the dust bag. -Compared to the traditional cleaning method, you can easily remove and throw the bag away without making a big mess. - Effectively filters most dust and airborne particles, helps improve air quality, makes your home cleaner. /> Specifications: Compatible with iRobot Roomba: i7 (7150) + i7Plus (7550) s9 (9150) + s9 Plus (9550, 955020) Material: Meltblown fiber + Non-woven Expand dimensions: 16 x 13 x 12 cm Package weight: 310 g Package includes: 8 x Replacement Dust Bags for i7/s9 Robot Vacuum Cleaner Service Guarantee: If you are not satisfied