To provide a dual container equipped with a design interesting to children.

In the dual container, an interior bottle 1B has its thin-walled body part 3B hung down from the mouth-neck part 2B engaged with the inside of the neck part 2A of an exterior bottle 1A, and the whole of the exterior form of the thin-walled body is shaped modeling after a character, etc., and the exterior bottle 1A is made transparent.