Recently London-based Skipping Rocks Lab introduced an edible and biodegradable liquid container made from plants and seaweed called Ooho! to the water-on-the-go market targeting conferences, events and festivals. 
From their page, to quote: What is Ooho?
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From their page, to quote: What is Ooho?
- It is 100% made of Plants & Seaweed
- Biodegradable in 4-6 weeks, just like a piece of fruit
- Edible, can be flavored and coloured
- Fresh (shelf life of a few days)
- 5x less CO₂, 9x less Energy vs PET
- Cheaper than plastic
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