Camelbak Products Mantra S/8 Drink Mix Each package contains 8 powder drink stick packs; Mix with 16 oz. of water No artificial flavors, colors or sweeteners; Zero calories made with natural sweetener stevia Antioxidants, vitamins and electrolytes replenish as you hydrate Great tasting drink mix is designed for reusable bottles CamelBak Got Your Bak Lifetime Guarantee