Cirkul Flavor Cartridge GoSip Blue Raspberry  - 2 Pack is a set of two flavor cartridges for a fitness drink. The cartridges are designed to fit into a Cirkul bottle and provide a blue raspberry flavor. The drink is sugar-free and has no artificial flavoring or coloring. Each cartridge contains enough flavoring for 13 servings, and each serving has 0 calories. The product is made in the United States and has an expiration date of 2026.