This is Black & Decker's FRESHGUARD VACUUM SYSTEM. It is used to preserve the freshness of your favorite food. Food can be stored longer with a vacuum food sealer and it can also be used to protect important documents or precious memories from air and moisture, or even keep supplies safe and dry when camping. If you want to keep something fresh, the Black & Decker FreshGuard Professional-Performance Vacuum Sealer can handle the job.