How to use box items?

[Deviruki]

Does anyone know what to do with these?...
[SPOILER-BOX]http://img692.imageshack.us/img692/6089/pso20120623191211000.jpg[/SPOILER-BOX]

[HFlowen]

I asked this earlier. Everything in that tab is a quest item.

[Blackheart521]

Those are quest items, they are simply there to turn in for client orders ^^

[Deviruki]

Oh, thanks. :o Been confused about it for a while, thought I could open them or something.