The Cirkul® Starter Kit is the perfect way to transform your hydration routine with an innovative system designed for flavor and convenience. Each kit includes a durable water bottle, a comfort-grip lid, and two flavor cartridges—LifeSip® Fruit Punch and FitSip® Mixed Berry—to help you get started immediately. This unique system allows you to fully customize your drink using a built-in Flavor Dial, giving you the power to adjust the intensity to your exact preference. Enjoy refreshing, delicious water with zero sugar, zero calories, and no artificial flavors or colors. With each cartridge providing flavor for multiple refills, staying hydrated has never been easier, more enjoyable, or more tailored to your taste. Cup Type: Water Bottle; Interior Volume Capacity: 22 oz; Material(s): Stainless Steel; Material Type: Metal.