A funerary insert kit is designed for used with a reusable shell. The insert kit includes a corrugated paper container and at least one fabric segment. The corrugated paper container includes a bottom wall, first and second side walls extending upward from the bottom wall, and first and second end walls extending upward from the bottom wall. The first and second sidewalls, the first and second end walls and bottom wall form an open top container having a width and length configured to reasonably fit an adult human body in supine position. The open top container is configured to fit within the reusable shell. The first fabric segment is affixed to a first rigid substrate. The first rigid substrate configured to fit adjacent an interior surface of at least a first side panel of the reusable shell.