The shark's skin is thick and strong, and it is believed to protect the contents.
It is a pattern that is often used in kimonos.
Sakura (cherry blossoms) is one of Japan's most popular flowers and are used in all seasons. It is popular all over the world.

The reversible furoshiki is popular for wrapping gifts. The surface is a “Same komon design" and the back is a “Kozakura design"; allowing its use in both ways.