Indonesian start up that goes by the name Evoware has made an amazing edible cup that helps to reduce waste.
Called the Ello Jello container, these cups are made from a seaweed based solution that when poured into a mould and hardened can be used as cups. When the consumer has finished their drink or snack, the cup can the be eaten. The hard jelly like substance is flavoured with green tea and or peppermint.
With Indonesia facing a waste disposal and waste management crisis, solutions like Evoware are critical substitutes that help to recude waste going to landfills.
This video from Business Insider helps to explain further: