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 ?C with 0 sugar . 0 calories . and an excellent source of Vitamin C per serving.