Beer containers come in a variety of shapes and sizes. A MUG is a three-letter container typically made of ceramic or glass, often with a handle, used for drinking beer. A BOTTLE is a six-letter container made of glass or plastic, usually sealed with a cap or cork, used to store and transport beer. A KEG is a three-letter container made of metal, usually cylindrical in shape, used to store and dispense beer. A CAN is a three-letter container made of aluminum or steel, sealed with a lid, used to store and transport beer. A BARREL is a six-letter container made of wood, usually cylindrical in shape, used to store and age beer. A VAT is a three-letter container made of metal, usually large and rectangular in shape, used to store and ferment beer.