Our 12 pack vacuum bags are compatible with Roomba vacuum I & s Series i7 i7+ i7Plus (7550) J7 J7+i3 i3+ i3 Plus (3550) i6 i6+ i6Plus (6550) i8 i8+ i8Plus (8550) s9(9150) s9+ s9 Plus (9550,955020) Robot Vacuum Cleaner. Compatible with many clean base automatic dirt disposal models. Each Automatic vacuum cleaner bag holds 30 bins of dirt and debris. These Roomba vacuum bags have four layers of quality non-woven and melt-down composite fabric. They feature a well-sealed design with a zipper and telescopic activity cardboard to prevent dust from leakage. The High-efficiency filter feature keeps the Roomba bags clean while reducing the penetration of dust and other particles. Each vacuum bag compatible with Roomba holds 30 bins filled with dirt, dust, hair, and debris. The bags' advanced sealing technology helps prevent leakage and possible bursting. All you need to do is unzip the bag to quickly empty the dust, and you have a "new" bag! Remember to keep the zip fully closed when replacing it. These Roomba replacement bags provide easy disposal of collected debris minus the cloud of dust.