To provide a seal stamp base material having the feeling of a depth, of which the manufacturing process is easy, and by which the colored pattern and the molded article are not stained even by frequent uses.

A colored pattern 7 is applied on the inner peripheral surface of a transparent cylindrical body 1. A molded article 2 is fitted in the transparent cylindrical body 1 by hanging the molded article 2 from the top surface of the cylindrical body 1. On the lower end section of the cylindrical body 1, a printed surface housing base 3 on which a printed surface 4 is installed is fitted, and a cap 5 is attached.