Decade Menthol Kings are king-size menthol cigarettes sold in a 12-carton club pack, available exclusively at Costco warehouse locations. Decade is a value-priced cigarette brand offering a smooth menthol flavor in a traditional king-size format. The product code D00690 identifies this as the standard menthol variety, distinct from the Silver (light) variant. These cigarettes are sold in king-size boxes, offering a full menthol taste profile at a competitive price point typical of Costco's tobacco department.