Each package includes Two DaysAgo digital counters The DaysAgo Digital Day Counter is the first and only digital day counter that attaches to a variety of surfaces with a magnetic, suction, or band backing and counts up to 99 days. It's a simple gadget that is re-usable, versatile and helps save money. You can use it on food containers to let you know how many days ago you opened it, closed it, tried it, sauced it, grew it, etc. As for leftovers, it eliminates the doubt about when to throw it out. The Magnetic DaysAgo features a strong magnet that snaps securely to most metal surfaces. It is perfect for jar lids and refrigerator doors. The Suction DaysAgo features a strong suction attachment that sticks securely to most smooth surfaces. It is great for plastic and glass containers. The Band DaysAgo is great for bottles, jars, and glass containers. It features a rubber band attachment that fits snuggly around containers.