[Designed to Fit]: The cordzero vacuum bag is only compatible with for CordZero cordless vacuum cleaners A939KBGS, A938KBGS and A937KGMS. Please check your machine model carefully before ordering. They are the same quality as for vacuum bags. [IMPROVED PREMIUM SEALING DESIGN]: Upgrade your vacuuming routine with our replacement bags, featuring an improved advanced sealing design. Carefully designed openings, slightly smaller for precise sealing, effectively prevent fine particles from being released during operation. Enjoy a cleaner and more efficient vacuum experience because the superior seal eliminates unpleasant odors and ensures effective containment of dirt and debris. [HIGH QUALITY]: Enjoy the same high quality as Part Number () bags, guaranteed top- performance and reliability. Not only are our replacement bags the same quality as the originals, they also have a more thoughtful opening for easy installation. [Easy Replacement]: Simplify your daily maintenance with the