Which of these edible food packaging innovations has been successfully commercialized and is currently available in some markets?

Sustainable packaging is transforming the food industry as consumers become more environmentally conscious. One particularly innovative approach has gained attention for its zero-waste potential. Test your knowledge about cutting-edge food packaging innovations that are changing how we think about product containers and their environmental impact. Can you identify which groundbreaking edible packaging technology has actually made it to market?

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Seaweed-based wraps that can replace plastic film for sandwiches and burgers
Coffee cups made from compressed cookie dough that you can eat after finishing your drink
Edible six-pack rings made from barley and wheat remnants from the brewing process
Rice-paper potato chip bags that dissolve in water or can be eaten alongside the chips