Abstract: A documents envelope that has one opening (13) only for inserting documents into and removing documents from the envelope and a flap (11) for closing the opening, which flap (11) includes a series of sections, the sections including: (a) a first section (15) that is at or towards an end of the flap and can be secured to a front face or panel (3) (hereinafter referred to as “panel”) of the envelope when the flap (11) is in an initial closed position and thereby close the opening (13); (b) a second section (17) that is adjacent to the first section (15) and covers a section of the envelope front panel (3) that can carry or does carry on-forwarding or return delivery information when the flap (11) is in the initial closed position; and (c) a third section (25) that is adjacent to the second section (17) and can be secured to the envelope front panel when the flap (11) is in a subsequent closed position and thereby reclose the opening (13).

Abstract: Packaging (3) for causing the outside surface of a food product to crisp and/or brown when the food product is heated in a microwave oven. The packaging comprises a corrugated sheet (5) of a susceptor material (e.g., metalised polyester) adapted to be wrapped at least partially around the food product. The corrugated sheet may have adhered thereto a backing sheet (7) of paper or cardboard.