305's Blue 100's are a full-flavor cigarette brand sold at Costco in a carton format of 10 packs, each containing 20 cigarettes, for a total of 200 cigarettes per carton. The "Blue" variety indicates a smooth, full-flavor profile, and the 100's designation refers to the longer 100mm cigarette length compared to standard king-size cigarettes.

305's is a value-priced cigarette brand widely available at Costco warehouses, offering a cost-effective option for adult smokers. The Blue style delivers a traditional tobacco taste with a slightly milder character than the brand's Red (full-flavor) variety. Each pack contains 20 cigarettes and the carton contains 10 packs.

WARNING: Cigarettes cause cancer, heart disease, emphysema, and may complicate pregnancy. Quitting smoking now greatly reduces serious risks to your health. Smoking by pregnant women may result in fetal injury, premature birth, and low birth weight.