I regret that I am unable to get one. So I guess I'll have to save up enough to buy one. Yet, in Alexina I've seen a lot for only around 1mil so not too much.
I saw some in Ruairi for about this much as well. Not a bad price for the space.
You can place bottles of any kind, because they're technically equipment. Surprisingly, books are not equipment. I'm guessing you can store magic powder.
The older books are treated as equipment. Cooking books for ranks F and E were perfectly store-able in the bags, while every book past that was not.
@Jedo: Just do offers on the Nexon site. Within an hour of the bags being on sale, I had everything I needed for the bag.
Oh, yeah I noticed the Traveler's Guide could be stored fine. I'm guessing the Eweca books should be too, right?