[Compatible Models] - Perfect for 2290 UltraRobot Vacuums. Made of high-quality materials, environmental friendly materials, soft and durable to use. [Auto Lock] - It will lock automatically when you lift the dust bag, completely sealing the dust bag inlet to dust and dirt stay inside the bag. [Tips for Use] - In order to keep your robot running at its best, please clean and replace parts in time. If you have allergies and pets , it is recommended to replace the dust bag every 2-3 weeks. [Mop Cloths] - It has strong and long-lasting cleaning power, which can easily respond to various stains such as footprints on the floor, juice residue, and oil stains. [Energy saving] - By using dust bags, you can extend the service life of the vacuum cleaner and reduce the cost of cleaning equipment replacement. Type:Vacuum Cleaner Accessories Compatible Models:For 2290 Ultra Model number:05661 Colour:White Material:non-woven fabric Package Contents: 30 * Dust Bag 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.