Material:The beer mug is made of high-quality resin and 304 stainless steel. It is safe, non-toxic, durable, and safe to use. Double-Layer Design:Equipped with stainless steel liner, resin beer cup can keep beverage stable low temperature or high temperature for a long time in summer or cold winter. Large Capacity:550ml large capacity can be used for beer, whiskey, cocktail, coffee, milk or any beverage. Widely Used:It can be used as a wood medieval mug, stylish renaissance beer barrel mug, grooms or groomsmen gift wood mugs, tankard or stein for beer, coffee, tea or other cold and hot drinks. Best Gifts:Retro wood grain look and unique handles, this is a wonderful gift for you, your lover, family and friends for the holiday season.