Well, it's heavily concentrated in Jamaica, where Fleming wrote most of the novels, and where things like Vesper gin and Blue Mountain coffe were commonplace, too.
Wait, what even is Sea Island cotton? Where's it come from? (And, of course, Walther's iconic PPK pistol.) All of these check out as very appropriate for a secret agent with a taste for the good life, except for.that rather specific type of textile? Among the mentioned items in Fleming's novels: Vesper gin, Blue Mountain Coffee, Morland cigarettes, Taittinger champagne, and Sea Island cotton. Ian Fleming peppered the Bond books with what he called 'props' - items which, arguably, could be considered the original product placements.