It's like a water balloon, only you can eat (drink?) it!
Ooho! water is the future! The London-based company has eliminated the need for plastic bottles by creating this seaweed 'bubble' that allows you to hold it before you put it in your mouth to drink.
This looks really cool. Think of all the ways it could save on plastic and even getting water to developing countries.
Ooho! is still in the investment phase, if you want to check them out their page is here.