Adjective
open box (not comparable)
Pertaining to a product sold by merchants at a discount, because the item was returned but found not to be defective.
We are not inferring design to account for a black box, but to account for an open box. Michael Behe
Oh, Claire," he said. "You think me a far better man than I am. That's kind, and flattering." "Are you saying that you -" "Doughnuts!" Myrnin interrupted her and darted away, to zip back in seconds with an open box. Rachel Caine
An open box tempts an honest man. Portuguese Proverb