The dust bag is made of microfiber and snaps shut when removed from the vacuum to prevent dust and dirt from seeping through. The size of the filter can be cut according to the model, effectively protecting the motor and prolonging the service life of the machine. It is recommended to replace it every 2-3 months, or according to your usage, to keep the vacuum at its best performance. This is more economical and cost-effective than other kits. Help you improve cleaning efficiency. Material: fiber + plastic colour: white+red Package Contents: 12 x dust bag 4 x motor protection filter 4 x AirClean filter 1 x cleaning brush Only 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.