'Return To Sender' Contest Pushes USPS Limits

"Neither snow, nor rain, nor heat, nor gloom of night ... " Justin Sullivan/Getty Images hide caption
Wired Magazine's nine-year "Return to Sender" contest challenged readers to send any "mailable" item through the postal system without packaging. Wired senior editor Joanna Pearlstein shares the results.
Tell us: What is the weirdest thing you've ever sent through the mail?