Purpose Tea Watermelon Mint is a deliciously refreshing beverage brewed from organic purple tea leaves and lightly sweetened for the perfect balance of flavor. Combining watermelon's crisp sweetness with mint's coolness, this tea is made with clean and simple ingredients, free of any added junk. At just 70 calories per 16-ounce bottle, it offers a guilt-free treat packed with antioxidant power—thanks to the innovative purple tea leaf.