【COMPATIBLE MODEL】: Compatible with all Clean Base Automatic Dirt Disposal models.Compatible for i & s & j Series iRobot Roomba i3+(3550) i4+(4552) i6+(6550) i7+(7550) j7 s9(9150) s9+(9550) Vacuum Bag. 【VALUE PACKAGING AND SIZE】8 PACK. Worth the package saves you money and time. SIZE: 5.4" x 4.9" x 6.1" 【INNOVATIVE AND IMPROVED SEALING DESIGN】 : The circular plastic baffle design on the vacuum bag panel effectively ensures the airtightness of the bag. When you remove the dust bag from the clean base, the circular plastic flap will automatically close, effectively locking the internal waste and reducing the risk of leakage. 【HIGH-EFFICIENCY PERFORMANCE】Each vacuum cleaner dust bag is made of two layers of ultra-fine melt-blown fabric and two layers of non-woven fabric, which can firmly lock 99.9% of small garbage. Ensure the efficiency and stability of your machine's operation. 【EASY OPERATION】Plug the bags into the clean base, then it works. The vacuum bag can hold 30 dustbins. Easy