Strawberry and watermelon are the hip-hop power couple of flavors. Fierce individually, but even more powerful together. Stay energized and hydrated all at once with this bright, fruity favorite. This GoSip Flavor Cartridge is enhanced with energy and has zero sugar, zero calories, and no artificial flavors or colors. We understand that drinking enough water can be challenging. At Cirkul, our mission is to make drinking water delicious, convenient, and fun.