Since matcha is mixed in the noodles, they have an aroma of Japanese tea. Since the color of matcha is changed when exposed to sunlight for a long time, alminium package is used to prevent change in color.
In many countries, soba noodles are eaten in the same way as in Japan; boil soba noodles, wash in a cold water, serve in a bamboo basket and eat by dipping noodles in a soup.