2 Pack Reusable Zippered Dust Bags For iRobot Roomba i1 i3 i4 i6 i7 j7 i8 + Plus Product Feature Compatible: Compatible with IRobot Roomba i3(3150) i3+(3350), i4 i4+(4552), i6(6150) i6+(6550), i7(7150) i7+ (7550), j7 j7+(7550), i8(8150) i8+ (8550), s9(9150) s9+(9550, 955020), i and s Series, the package contains 2 zipper dust bags. Reusable: Dust and debris can be emptied through the zipper opening on the vacuum bag, so you don't have to throw it away after use, each vacuum replacement bag can be reused about 3-5 times to meet your long-term replacement needs. Large Capacity: Each reusable vacuum bag can hold dust and debris, high-quality fabric and well-sealed design can effectively prevent dust leakage and avoid secondary pollution. Easy to Clean: Just unzip the bag, empty the dust easily, and you have a "new" bag, remember to keep the zipper fully closed when changing. Product Specification TypeSuitable For IRobot Roomba Robot Vacuum Cleaner Zipper Dust Bag Quantity2 ColorWhite MaterialNon-Woven Fabric + Cardboard Size170*130*150mm (6.69x5.12x5.91in) FeaturesZipper Style, Reusable Replacement Cycle3-6 Months Package Included 2 x Zipper Dust Bags