The Oggi Insulated Beer Stein is a must-have for anyone who values keeping their beverages perfectly chilled or hot for extended periods. Featuring a robust 27 fl oz capacity, this large beer mug is ideal for beer enthusiasts, capable of holding up to two cans' worth of your favorite brew, ensuring you can enjoy your drink longer with fewer refills. The double-wall vacuum insulation is the secret to its impressive thermal properties, maintaining cold drinks for up to 20 hours and hot drinks for up to 1 hour. Whether you're sipping your favorite beer or enjoying a hot beverage, the Oggi insulated mug guarantees a superior drinking experience from start to finish.