All the pieces of the bed come within the headboard; it's hollow and has a velcro'd piece of cloth to "close it."  This cloth piece itself is a bit cheap and doesn't quite fit squarely on the back of the headboard which is fine since the headboard sits against the wall, but I wish that the sizing was more accurate so there weren't pieces of the cloth poking out on the back.  The wooden slats which support the mattress are also a bit flimsy but haven't had any problems in the last month or so.  The USB ports are a nice addition though the headboard plugs in via USB itself so the actual voltage to these ports is a bit weaker, making it longer to charge a device as opposed to just plugging the device itself into an outlet.