Up to now, both RS and Element14 (the only 2 manufacturers, everybody else is a distributor) sent the Pi in an antistatic bag inside a cardboard box.
|Manufactured by RS|
|Manufactured by element14|
|either way, it used to be in an antistatic bag|
It looks like RS is now shipping the Pi in a plastic box, inside the cardboard box.
|New plastic container|
Some are making a case with it.