Abstract: An apparatus for stacking and bundling scrap cardboard and similar materials which includes an adjustable base frame with extensible sections to accommodate varying sizes of scrap material and a plurality of selectively removable uprights distributed about the perimeter of the base frame to confine such scrap material in the apparatus, the invention further contemplating strap guide means adapted to receive elongated binding straps for passing thereof about a quantity of such scrap material for binding or baling thereof.