Filimi yo gupfunyikaho ni firime ya pulasitiki ikoreshwa mu gufata neza, gupfunyika no gushimangira ibintu. Filimi yo gupfunyikaho ikorwa muri polyethylene yo mu bwoko bwa linear low-density (LLDPE). Mu kuyikoresha, firime igomba gukururwa no gupfunyikaho ibintu kugira ngo ibicuruzwa bibe bikomeye kandi bihamye. Filimi yo gupfunyikaho iboneka mu bugari, ubunini n'amabara atandukanye. Byongeye kandi, gucapa mu buryo bwihariye birahari.