Stur® Liquid Water Enhancer Iced Grape Acai. All natural ingredients. Natural flavor. High antioxidant vit.C 0 Calories 0 Sugar. 1.62 fl oz (48 ml). Made by a father for his family to love water naturally. 2% Juice. Non-GMO. Sugar-free. Colors will fade, it's natural! Visit: www.sturdrinks.com.