R18 Restricted

Can only be shown in specially licensed cinemas, or supplied only in licensed sex shops and to adults of not less than 18 years.
R18 category is specially and legally restricted classification primarily for explicit works of consenting sex or strong  fetish material involving adults. R18 words may not be supplied by mail order.

Following content is unacceptable: 

• any material which is in breach of the criminal law. 
• material likely to encourage an interest in sexually abusive activity (e.g. rape, paedophilia)
• portrayal of any sexual activity which involves lack of consent. 
• infliction of pain or acts which may cause lasting physical harm.
• penetration by any object associate with violence or likely to cause physical harm. 
• any sexual threats, humiliation or abuse which does not form part of a clearly consenting role-playing game.