Under the new packaging and labelling regulations cigarettes and tobacco will no longer be sold in bright, glitzy packs, but in drab green packages. They will have large graphic images on the front and back of the packets to highlight the health effects of smoking and health warnings must appear at the top of all packs. The new packaging rules are contained in two sets of regulations:
http://www.ash.org.uk/media-room/press-releases/:media-advisory-standardised-plain-packaging-starts-20th-may-2016
