Cap of Packaging Container

FIG. 1 is a perspective view of a cap of packaging container, showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a sectional view taken along line 6 - 6 of FIG. 2 thereof; and,

FIG. 7 is an end sectional view taken along line 7 - 7 of FIG. 2 thereof.

The broken lines in the figures illustrate the portions of the design that form no part of the claimed design.