Transporting beer has never been easy. Often times, when you get to where you’re going, your beer has already gone stale and warm. The solution to this problem comes in the form of growlers. A growler is a bottle used to transport beer but what makes it special is its ability to keep beer carbonated and ice cold for hours on end so you no longer have to compromise on the quality of your beer. Here are the top 7 growlers that will keep your beer fresh: