litter carton 110 at the time of manufacture or as an alternative a non laminated carton material used and the loose sorbent pad 130 with a protective plastic sheeting used the disposable litter carton 110 can be manufactured from a heavy gauge material such as corrugate thereby forming a rigid long lasting unit prior to setting up the disposable litter carton 110 the sorbent pad 130 is placed screen side up over the disposable litter carton 110 the absorbent pad must be substantially larger than the size of the base 129 approximately the dimension of the outside walls after the placement of the sorbent pad 130 it should be folded over onto itself between the fold line 126 and the fold line 127 the disposable litter carton 110 is set up by folding the corner flap 124 and its counterparts at each corner inward onto the outer carton side 114 so as trap the folded portion of the sorbent pad 130 between the outer carton side 114 and the corner flap 124 the corner flap 124 prevents the walls from separating as well as preventing leakage at the corners the inner carton side 112 and outer carton side 114 are then folded at the fold line 127 so as to be at right angles with the base 129 the remaining portion of the folded sorbent pad 130 is then placed against the folded corner flap 124 the inner carton side 112 is then folded at fold line 126 and the locking.