Used VERY little. It's just been sitting in my garage for the last 2 years not being used. It is 3 rack spaces, 14" deep, and has a zippered storage pouch on the top. I will blow this out at $65.00 shipped in the lower 48 states.
I would take a Markbass (small) bag as partial trade as well.
Here is a link to the one I have with product info. http://www.amazon.com/Aguilar-RB-3-1...ef=pd_sxp_f_pt