Microbreweries and craft beers companies have been exploding in popularity across the United States for the past few years. Now, Crowlers (no, this is not a typo) are the newest trend in the craft beer movement. Like the well known Growler, Crowlers enable customers to order beer to-go, but instead of being transported in a glass bottle, beer is sealed in an aluminum can. But wait, aren't cans the lowliest method of packaging beer? Not so much anymore. Crowlers have many benefits over traditional glass bottles. Bon Appetit magazine reports that, "Aluminum packaging helps keep beers fresher for longer and maintains the quality by creating an absolute barrier to light and oxygen, preventing off-flavors from developing". If that's not news enough, "the typical growler keeps beer fresh and carbonated for about three days before it really starts to degrade. Crowlers keep their brews fresh for about a month". The down side is that a special crowler machine needs to be used to seal the cans. As of right now, there are only about 600 machines in the country, but as the craft beer movement continues to grow, accessibility to Crowlers will most likely increase as well.