To enable a packaging container to save resources and to be recycled, enable a sufficient clearance of stacked flanges arranged at main bodies of a number of stacked packaging containers to be kept irrespective of their thin walls and further enable the packaging containers to be dropped positively one by one onto a downstream processing line by a robot.

This packaging container is characterized in that the same is comprised of a container main body and a lid made of material such as natural plant fiber that can be recycled; a stepped portion below the container main body between a product storing portion having reduced diameter at side walls and an opening portion is provided with at least three position setting protrusions protruded outwardly at a predetermined position of the lower product storing potion from a position of the stepped portion; and further the outside part of each of the protrusions is abutted against the inside part of the opening of the lower packaging container.