[Package&Compatible Model]: Compatible with all clean base automatic dirt disposal models Compatible for iRobot Roomba i3+(3550) i4+(4552) i6+(6550) i7+(7550) j7 s9(9150) s9+(9550) Vacuum Clean Bag 2 When you take out the dust bag from the clean base, the plastic circular flap closes automatically, effectively lock internal garbage to avoid overflow 3 Ensure the efficiency and stability of your machine operation 4 [Easy to Use]: Plug in the bags in the clean base and then it works The vacuum bag can holds 30 bins of rubbish We suggest that it can be replaced every 60 days color:White + gray Material:non-woven fabric Package Contents:8 x vacuum bag Only the above package content, other products are not included Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm