A thermoformed packaging container includes a base section having a bottom surface, first and second inner and outer base side walls, and first and second inner and outer base end walls forming a chamber, with at least one outer base one side wall having a plurality of base indentations and protrusions formed therein. A cover section having a top surface, first and second cover side walls, and first and second cover end walls, the cover section adapted to cover the base section when in a closed state, with at least one of the cover side walls having a plurality of cover indentations and protrusions formed therein for engaging with the plurality of base indentations and protrusions. The container also includes a closure mechanism for securing the container in a closed position, wherein the closure mechanism is formed within at least one end wall of the base section and a corresponding end wall of the cover section.