Glass growlers are a type of container used for storing and transporting beer, cider, and other beverages. They are typically made of glass and have a capacity ranging from 32 to 128 ounces. Glass growlers are popular among craft beer enthusiasts and small breweries as they allow for the easy transport and storage of small quantities of beer. Glass growlers come in various shapes and sizes, including the classic jug-like shape, tall and slim designs, and even novelty shapes like skulls or animals. They are typically sealed with a screw-top lid or a swing-top lid that provides an airtight seal to keep the beer fresh and carbonated. Some glass growlers also feature handles or grips for easy carrying.