Compatible Models - The dust bags are compatible with for Kobold VK7 FP7 vacuum cleaner.Premium Materials - Filter bags from one layer of activated carbon, one layer of stitched fibers and two layers of non-woven fabric. The 4 layered dust bags effectively filter 99.99% of dust particles.High Seal - VK7 Vacuum Bag Accessory with flap closure ensures that dust and dirt are firmly locked in the bag when changing dust bags. Capacity - The disposable bag can collect dust for 2-3 months, and we recommend replacing it every 2-3 months.Scope of Delivery - 12 PCS dust bags and 1 PCS cleaning brush for Kobold VK7 FP7, which works like , and cheaper.Colour:WhiteMaterial:non-woven fabricPackage Contents:12 * dust bag1 * cleaning brushOnly 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.