1、Universal Compatibility: Suitable for all purpose vacuum cleaners, this pack of 6 dust bags ensures long lasting performance and convenience. 2、Lock Mechanism: The dust bag is equipped with a self locking mechanism to ensure that dust are not released again. 3、Perfect Replacement: This dust bag is the perfect replacement for the original dust collectors, improving the overall performance of your vacuum cleaner. 4、Excellent Material: Made of premium non woven cloth, this vacuum cleaner dust bag reduces the penetration of dust, hair, garbage, and other harmful substance. 5、Monthly Replacement: The dust bag of the vacuum cleaner only needs to be replaced once a month, saving time and effort without touching dirty things.