Applicable model: for VIOMI S9 robot vacuum cleanerDescribe the main purpose: the large-capacity dust bag of the robot vacuum cleaner can free your hands for a month without worrying about frequent replacement. the recommended replacement period is 1 month.Specifications:Adapted Models: for VIOMI Vacuum Cleaner S9Colour:WhiteMaterial:clothPackage Contents:16 * Dust BagOnly 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.