27th October 2022 | administrator Jana Enterprises , Beverley, north Humberside, are manufacturers of products in plastic. In the 1980s they produced polypropylene pillar boxes, as well as wall boxes and pouch boxes. Unfortunately the red colouring in the polypropylene was prone to fading in sunlight, but a number of Jana boxes of various designs can still be found in service, albeit looking rather pink in many cases.