They bought what's in that box.
4 seconds sound clip from the Breakfast at Tiffany's movie soundboard.
You can hear this line at 00:19:49 in the Blu-ray version of the movie.
Quote context
[...]
- Okay. Positive statement. Ringing affirmative. I'm a writer.
- The only writer I've ever been out with is Benny Shacklett.
- He's written an awful lot of television stuff, but quel rat.
- Tell me, are you a real writer? I mean, does anybody buy what you write or publish it or anything?
- They bought what's in that box.
- Well, there's just the one book. Twelve copies of it.
- 'Nine Lives by Paul Varjak.'
- They're not the kind of stories you can really tell.
[...]