[Reusable Dust Bag]Made of high quality materials, this dust bag is designed to be reusable, allowing you to empty the vacuum quickly and efficiently without releasing harmful dust into the environment. [Easy Replacement]As part of normal maintenance, this dust collector bags can be easily removed and replaced, ensuring hassle-free operation and optimal performance of your vacuum cleaner. [Regular Replacement]To keep your machine running at , it is recommended to replace the spare parts, including the dust bag, every 2 to 3 months, ensuring efficient cleaning results. [Perfect Fit]Specifically designed for 11090, this robot vacuum dust bag is the perfect fit for your vacuum cleaner, providing a secure and reliable attachment. [Newest Upgraded Dust Bags] The Dust Bags of the latest version are sealed by professional machines, with stronger capabilities to filter up to 99.9% of the dirt, pollen, small dust particles and substances in the air, which allow your family to enjoy cleaner