A growler is a jug used to transport draft beer in the United States and Canada. They are most often sold at breweries and pubs that specialise. I n craft beer as means to sell “growler to go” craft beer that can be consumed at a later time. The best place online to purchase and read about growlers. All types including glass stainless steel and ceramic. A wide selection of products and accessories to help you get started. Based in the united states. We offer the best prices on the net. Check the blog for interesting articles. Come check us out.