Blue, which is also the color of the sky and the sea, is a calming and calming color. The psychological effect of blue is "calming color". Blue, which has an image of calmness and calmness, has a calming power that calms the rough heart. It also has the power of justice, intelligence, and reason, so it will help you when you want to deal calmly or when you want concentration. Monsteraleaf has a lot of blue jewelry. Blue that gives you calmness. Intellectually with refreshing blue jewelry!