The porters' body bag conceals Mission during the climb upstairs before being used to carry Katelyn's body.
During a tandem body haul, a plastic bag separates Mission Jones's head from the dead man's head. Later Mission retrieves a heavy black plastic hauling bag for his plan to reach The Nest. It has hauling straps and a bright silver zipper.
Lyn and Joel conceal Mission in the bag and carry him as though he were dead. He cuts ventilation slits beside the zipper. After Katelyn's body is discovered, the bag is used to carry her instead.
A heavy black plastic hauling bag with a bright silver zipper, carrying straps and ventilation slits cut beside the zipper.
It is a body-hauling container temporarily used to conceal Mission, then returned to transporting the dead.