[Perfect Fit]Compatible with all irobot Roomba i & s & j series Clean Base Automatic Dirt Disposal,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).Package includes 6 reusable Vacuum bags.[Reusable Vacuum Bags for Roomba]You can empty dust and debris through the zip 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 & Well-Sealed Edges]Each Reusable Vacuum bag holds 30 bins of dirt and debris.Four layers of high quality fabric and well-sealed design can effectively prevent dust from leakage and avoid secondary contamination. Keeps your Clean Base clean.[Easy to empty]All you need to do is unzip the bag to easily empty the dust and you have a "new" bag!Remember to keep the zip fully closed when replacing it.Colour:WhiteMaterial:non-woven fabricPackage Contents:6 x dust bagsOnly 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.