A tray comprising a hollow body for placement within or beneath a coffin for collecting and/or treating decomposition fluids from a corpse within said hollow body, wherein said tray comprises an upper wall and a lower wall defining at least one closed chamber therebetween, said upper wall being provided with at least one drainage aperture in an upper surface through which fluid collected on said outer surface of the upper wall can pass into said at least one closed chamber to be retained and/or treated therein.
