Might seem insignificant but for those of us that drink a lot of water, this can save your sanity! They are flavored ice cubes that come in lemon, orange, and lime flavors. Yeah, I know you could probably do something like this on your own but I am lazy! :thumb: Someone had these backstage at my last show and of course you know how good anything liquid tastes the day of your show. Anyway, these are good!