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.