Collapsible box for tissues/papers

Claim 1

A variable size cardboard box having a top wall, a bottom wall, and four side walls, each wall having four edges, said top wall having an opening for accessing the interior, a continuous perforated line located in the side walls and extending around the entire perimeter of the box and spaced from the bottom wall, three auxiliary perforated lines of equal length located at each of the four bottom corners of the box and extending along the edges of respective side walls and the bottom wall, all of said perforated lines providing means which facilitate pushing the bottom wall into the box to reduce its interior volume, the bottom wall including a rectangular, auxiliary perforated line spaced a short distance form and parallel to, the edges of the bottom wall, the bottom wall further including four additional perforated lines which connect the corners of the bottom wall to the corners of the auxiliary line to facilitate forming a smaller bottom wall when it is inside the box.