Seneca Blue King Box cigarettes are non-menthol cigarettes produced under the Seneca brand, known for their regular tobacco blend and classic box packaging. Each pack contains 20 cigarettes in king size format. The Costco carton contains 10 packs (200 cigarettes total), making it a value-priced option for smokers seeking a straightforward, full-flavor king-size cigarette.

Seneca is a widely available American cigarette brand distributed through major retailers including Costco warehouse locations. The Blue variety refers to the lighter, smoother profile within the Seneca lineup, as opposed to the Red (full flavor) variety.