This pack contains 10 delicious bottles (200 servings!) of Blue & Blackberry Stur water enhancer. Stur water enhancers are the liquid drink mix for consumers looking for natural ingredients. Delicious, naturally flavored water can now be made at home or on the go with our portable liquid drink mix bottles. To use, flip-open the cap. Point downwards directly into your water. And squeeze 1 second per serving in 8-ounces of water (squeeze longer to add more flavor)! Each portable bottle of Stur makes 20 8-ounce drinks – with 0 sugar, 0 calories, and an excellent source of Vitamin C per serving.