The product is a vintage Budweiser Lager Beer flat top can from the 1930s, which serves as a collectible item for beer enthusiasts and collectors. This can showcases the history and design of beer packaging from that era, making it a unique piece of breweriana memorabilia. To open the can, one would typically use a can opener or a bottle cap remover, as the flat top design requires a specific tool to access the contents inside. This product represents a piece of American beer culture and nostalgia from the mid-20th century.