Packaging System with Slidable Latch

A method comprising:

• fitting a second box part within a first box part, wherein the first box part comprises a plurality of lid walls, wherein a first lid wall comprises an aperture, wherein a latch is slidably disposed within the aperture, wherein the second box part comprises a plurality of tray walls, wherein a first tray wall comprises a channel sized to slidably receive the latch, wherein the channel comprises an assembly channel segment and a locking channel segment, wherein the assembly channel segment intersects an edge of the first tray wall, and wherein the second box part is configured to fit within the first box part such that a) the assembly channel segment is aligned with the latch when the latch is in a first position within the aperture, and b) the latch is slidable within the locking channel segment to a second position;
• and
• sliding the latch within the aperture to the second position, wherein sliding the latch within the aperture further comprises sliding the latch within the locking channel segment.

The method of claim 19, wherein sliding the latch within the aperture to the second position comprises sliding the latch such that at least one notch located on the latch engages at least one protrusion of the first lid wall.