I remember reading in patch notes that we don't get those boxes anymore.but materials directly in our bags so I assume it was added to an existing stack in your bag.
"The Divines gave you a nose for a reason, Tharn. So you can keep your mouth shut and still keep breathing. - Lyris Titanborn
Yeah. I also read, a while back, that they were planning on getting rid of the containers and the items would be mailed directly. I guess that it was implemented with this patch.