The composite paper dust bag, double filtration dust, high filtration efficiency, effectively inhibit bacterial survival, one-time use, environmental protection and health.The organizational structure of a relatively dense dust bag, filtration rate is far greater than the bag, can prevent the particle dust into the motor chamber, damage to the motor speed, thus ensuring the service life of the dust cleanerType: Vacuum Cleaner PartsVacuum Part Type: BagsModel Number: Dust bag for ZR0039 RO1717 RO1733 RO1751colour:BrownMaterial:Paper bagsize:Aperture: 4.7cm, card board: 9.2 x 8.5cmPackage Contents:20 x Dust bagOnly the above package content, other products are not included.Note: Light reflection 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.