The SodaStream Bubly Drops are a fun and flavorful way to enhance your sparkling water. This single bottle contains 1.36 fl oz (40 ml) of concentrated flavor essence, enough to flavor approximately 12 liters of water. The drops feature the delicious and natural taste of Peach Bubly, with no sweeteners or calories. The small size makes it easy to add a burst of flavor to your Sodastream beverage.