Applicable Models: The Vacuum filter bags fit for A939KBGS/A937KGMS Series Robot Vacuum Cleaner. Handle Design: The disposable vacuum filter bag adopts a push-pull handle design, with strong sealing, which ensures to lock all dirt in the vacuum bag and keep your hands away from sundries. Quality: Double layer bag, good dust collection performance. The dust filter bag is easy to install, replace and discard, and it is convenient to remove debris effectively. Each bag can hold about 2.5L of dust and debris. Performance: The vacuum bags can effectively remove most dirt, house dust, pet dander, hair, or other small particle, and keep the home environment clean and healthy. Change your vacuum bag each 1-2 months or more frequently if it becomes full and firm to the Contact. Compatible model: For Material: non-woven fabric colour: white Package Contents: 7 x dust bags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the