File box

A file box comprising:

• a main board having first and second faces and two sides and a bottom board, said main board being integral and comprising a mediate section, first and second side sections respectively extending outwardly from two sides of said mediate section, and first and second engaging sections respectively extending outwardly from distal sides of said first and second side sections;
• said first face of said main board having first, second, third, and fourth vertical notches respectively formed in a transition section between said mediate section and said first side section, in a transition section between said mediate section and said second side section, in a transition section between said first side section and said first engaging section, and in a transition section between said second side section and said second engaging section, allowing said main board to be folded to form four sides of a file box;
• said first face of said main board having a fifth notch formed in a lower section thereof and extending along a length thereof for securely holding said bottom board when said main board is folded along said first and second notches;
• said second engaging section having a distal end with two opposite faces, each of said faces of said distal end of said second engaging section having an adhesive tape securely attached thereto, each of said adhesive tapes having an extension which extends beyond said second engaging section, said extensions defining a compartment therebetween for receiving said first engaging section, and said extension of each said adhesive tape having a sheet peelably mounted to one face thereof which faces said first engaging section when said main board is folded along said third and fourth notches.