Abstract: A collapsed, pop-open and disposable debris collector formed of a semi-rigid blank the composition of which has a folded elastic memory, the collector forming interconnected rear abutment, side walls and a bottom, the side walls lapping the rear abutment wall in part in a collapsed configuration; permanent adhesive on the rear wall, securing a portion of the lapping side walls to the exterior of the rear abutment wall and spring-like foldable abutment retaining tabs projecting from each side wall, extensible upon setting up to engage the interior of the rear wall upon pop-opening of the collector from collapsed to pop-open utility configuration; the collector having an integral handle at the rear and a no-spill lip at the forward open end and pressure sensitive adhesive which is coextensive with the no-spill lip to coact therewith in the utility mode. The debris collector is readily adapted to stack packaging.

Abstract: A prepacked disposable animal litter and waste container in which plural layers of membranous bags are filled with an absorbent litter, each bag being contained within a substantially rigid fiberboard carton container, wherein bags may be each successively exposed for utility, following usage of an uppermost exposed bag, the bags, together with flaps of the container forming a repository for urine and fecal matter, and becomes a disposal means for the contaminated litter when the user may discard the bags. Flaps of the container extend the container sides vertically and together with the bags create an impermeable membranous cover for the container's interior and exterior in the use mode. Adhesive means secures the flaps, and one overlying bag top is adjusted and placed temporarily as required, in the use mode.