The product is a red plastic drink cup from Key West Legal Rum, the first legal rum distillery in Key West. This promotional cup features branding from the distillery and is likely used for serving beverages at their establishment or as a merchandise item for customers. The cup's design and material suggest it is a collectible item related to the distillery's branding and theme, making it a unique piece for fans of Key West Legal Rum or collectors of distillery memorabilia.