[COMPATIBLE DESIGN] Specifically engineered for J15 Pro For Ultra, these dust bags a snug fit that enhances performance and convenience during your cleaning tasks. [ROBUST SEALING] Each bag is equipped with a strong seal to effectively contain dust, dirt, and debris, particles from escaping back into your home environment after collection. [CLOG-FREE PERFORMANCE] Designed to maintain consistent airflow even when full, these dust bags prevent clogs and your vacuum operates efficiently without interruptions. [EASY MAINTENANCE] Changing dust bags is straightforward; remove the old bag and a new one using the guiding slots, making upkeep quick and efficient. [LARGE CAPACITY] With generous capacity available, these bags allow for extended use between changes, giving you more time to clean without the hassle of frequent emptying. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:cloth