Stylish plastic (11)

I believe the answer is:

fashionable

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This clue could be a double definition.

'stylish' is the first definition.
(I know that stylish can be written as fashionable)

'plastic' is the second definition.
Both the answer and definition are adjectives. Perhaps you can see a link between them that I can't see?

Can you help me to learn more?

(Other definitions for fashionable that I've seen before include "Modish" , "A la mode" , "Trendy" , "What's in" .)

I've seen this clue in The Globe and Mail.

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