Washable and Regularly Replaceable: The reusable filter bags are easy to clean, just rinse under running water, but make sure to dry completely before use. Please replace the bag regularly to maintain a good filtering effect. Easy to Install: Humanized design, easy to install. Open the bag, put the rubber seal and cardboard in the right place, for dry pickup only. Make your daily cleaning smooth and worry-free with these convenient replacement vacuum bags. Colour:As Shown Material:Paper Package Contents: 8 * Paper bag 4 * blue cloth bag 3 * rubber band 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.