Package having locking mechanism and reinforced cell

A package having a locking mechanism and reinforced cell, comprising:

• a blank having:
• a first panel having a top flap extending away from a top edge of the first panel and an extension panel extending away from a top edge of the top flap,
• a second panel, and
• a third panel, wherein the third panel is foldable over the first panel, and the first and third panel are foldable over the second panel;
• a first side panel disposed between the first and second panels;
• a second side panel disposed between the first and third panels;
• a third side panel extending away from a side of the second panel;
• a fourth side panel extending away from a side of the third panel, wherein the first side panel overlaps the fourth side panel and the third side panel overlaps the second side panel;
• reinforcing means for reinforcing the cell formed by the overlapping first and third panels, wherein the extension panel is slidable into a cell space created between the overlapping first and third panels;
• and
• a locking mechanism provided at a top edge of the second panel, wherein the reinforcing means is provided on the third panel and engages an interior face of the first panel, and wherein the locking mechanism engages the extension panel to place the package in a locked state and releases the extension panel of the first panel to place the package in an unlocked state.