Multipurpose bottle for different type of liquid. The capacity is 430 ml . you can use this bottle as a straws to drink water or smoothie, also you can use it as a regular drinking bottle, easy to carry and bring on the go, for traveling and daily use. Feeling thirsty? Take a sip of your favorite drink. The straw bottle is an innovative liquid container that can dispense two different fluids at once – water from one side and other beverage from the other. This integrated backpack straw bottle is designed to keep both liquids separated, so you don't need to worry about mixing your drinks! You enjoy the water from your tap at the comfort of your home. But when you go out, you'd rather have a refreshing drink.