Keep these steel ice sticks in the freezer ready for use and then place one in your glass to chill your drink rapidly. The gel inside stays cold enough for several refills of your glass without dilution you would get from regular ice cubes. Using the Cryo Ice Stick Drink Chillers is simple. Place them in the freezer for a few hours until they are thoroughly chilled. Once ready, insert the sticks into your glass and watch as they effortlessly cool your drink to perfection.