The mark consists of four stylized Chinese characters in cream coloring centered inside a blue rectangular block outlined with multiple borders of unequal thickness in the colors blue, cream and a blue and cream colored geometric pattern; and below the four Chinese characters centered between two pairs of geometric shapes are the words "TONG-SHU CAPSULE" in a burgundy red font enclosed within a burgundy red rectangular border on a cream color background; all the foregoing elements are set within a cream color rectangular background decorated with watermarks of various shapes and sizes, the various shapes are in a pale bluish-gray color, and the two pairs of geometric shapes inside the burgundy red rectangular border are in a gradient burgundy red color which gradually fades to a lighter shade at the center.