A blank (10) for a coffin comprising a blank body (12) defining a plurality of wallpanels (14, 16, 18, 20) each having a pair of opposed sides; a base supporting member(28) formed integrally with one side of at least one of the panels; and a flap member(30) formed integrally with opposite side of at least one of panels. In one embodimentan insert (58) is held captive between at least one of side wall panels of the blankbody and their associated flap portions folded onto the side wall panels to impartrigidity to a side wall of a coffin formed from blank.