L. Ducat Blue King Box cigarettes are manufactured by JT International (Japan Tobacco International), sold under the LD brand — short for Liggett Ducat, the name of the brand's original manufacturer. Currently owned by Japan Tobacco, LD is an international cigarette brand produced in Turkey by JTI for various global markets including the United States.

The Blue variety is the light/smooth variant in the LD lineup, which also includes Red and Silver options. King Box refers to the standard king-size box format. Item number 6702 identifies this specific SKU within Costco's tobacco inventory.