This edible coating reportedly doubles or triples the shelf life of many produce types without the need for refrigeration. The product is supplied as a powder and is diluted in water to be used as a spray or a dip. Apeel is made from plant extracts, usually lipids from agricultural by-products such as tomato skins or seeds. These self-assemble into structures (the skin) which enable the company to modulate the rate of oxygen or carbon dioxide transmission.