CALM is available in three different colors.
浅瀬shallow(blue)、中深海middle depths of the sea(green)、深海deep sea(navy blue)
A beautiful color scheme based on blue.
 
The size is about 4sun.(Sun is a length unit in the traditional East Asian system of weights and measures.1sun≒1.19inch)You can also choose 5sun, 6sun as an option.