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Title: Don't buy unless you are a size 0
Content: It comes as a one size. But you better be a size zero because there is no play in the garmet. It would be a pain to put on I am sure. I didn't want to embarrass myself or my wife trying to have her try it on, and she is a medium build. I had to throw it away because there is no way my wife is fitting in it. Shame.