Drink mix. Natural flavor with other natural flavor. 0 calories per squeeze. Sugar free. 100% fewer calories than leading beverages (per 8 fl oz beverage, this product 0 calories; leading beverages 70 calories). Prepare with sparkling water. 24 8 fl oz serving. Turn any sparkling water into the lightly flavored sparkling experience you have come to expect with Crystal Light Sparkling Water Enhancer. Zero calorie, colorless and lightly sweetened. This product does not add carbonation to plain water. BPA free.