How old is it? Now you won't have to remember when you opened it, closed it, sauced it, juiced it or grew it! Reusable DaysAgo™ Timers count up to 99 days—so you know just how fresh your food is. Select how to attach your timer: magnet, suction cup or elastic strap. Easy, one-button operation—click to begin counting down days and hours… easily resets at the touch of a button. Includes a replaceable G8 battery. 1¼"-Diam. Assorted colors, let us choose.