This is a vintage Chicago Cubs plastic tumblers mug cup, likely used as a promotional item for Lite beer. The mug features a fine pilsner beer promo design and is officially licensed by Major League Baseball. It was made in the United States in 1990 and is an original piece of sports memorabilia from the vintage era. This collectible item would appeal to fans of the Chicago Cubs and baseball enthusiasts looking for unique and nostalgic memorabilia.