Foldable containers having mechanical secured door indicators

A container comprising:

• a first container wall;
• a second container wall coupled to the first container wall, the second container wall configured to rotate outwards in a first direction with respect to the first container wall;
• a third container wall coupled to the first container wall;
• a fourth container wall configured to move from an open position to a closed positon, the fourth container wall comprising:
• a first portion coupled to the second container wall;
• and
• a second portion coupled to the third container wall, wherein the first portion and the second portion are coplanar when the fourth container wall is in the closed position;
• a bottom container platform comprising a machine-readable code;
• and
• a pivotable arm configured to cover the machine-readable code when the fourth container wall is in the open position, and to uncover the machine-readable code when the fourth container wall is in the closed position.

A container comprising:

• a first container wall;
• a second container wall coupled to the first container wall, the second container wall configured to rotate outwards in a first direction with respect to the first container wall;
• a third container wall coupled to the first container wall;
• a fourth container wall configured to move from an open position to a closed positon, the fourth container wall comprising:
• a first portion coupled to the second container wall;
• and
• a second portion coupled to the third container wall, wherein the first portion and the second portion are coplanar when the fourth container wall is in the closed position;
• a bottom container platform comprising a machine-readable code;
• a rod coupled to at least a portion of the fourth container wall, the rod configured to move vertically from a first position to a second position;
• a pivotable arm;
• wherein the pivotable arm is actuated by the rod and covers the machine-readable code when the rod is in the first position, and uncovers the machine-readable code when the rod is in the second position.