Fit Model: Compatible with for i7 Plus i7+ (7550) i3+ (3550) i4+(4552) i6+ (6550) i8+ (8550) s9+ (9550) j7+ (7550) I & S & J Series Robot Vacuum Cleaners, And Fit for all Clean Base Automatic Dirt Disposal Models.Works Great: Compatible and work just like , The replacement dust bag can be reused. After the dust bag is full, you only need to pour the dirt in the dust bag into the dumpster, and then you can use it again.Easy to Install and Durable: Since replacement accessories are compatible with your vacuum robot, You can install and use, Each bag can hold 30 bins of dirt and debris, easy to clean and you with a comfortable place.Compared with cleaning methods, this dust bag has a strong sealing performance and can be discarded without dust.Colour: as shownMaterial: non-woven fabricPackage Contents:20 * Dust bagOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.