This new rack case has no fronts or backs. Inside dimensions are 2 spaces (3.5") tall, 19" wide, and 8" deep inside. Outside, the rack is 21" wide, 5" tall and 8" deep. Edges are rounded over for better durability and feel. Black carpet is very tough and durable. Pre tapped metal rack rail is recessed in 1/2" from the front.  Top and bottom are 1/2" 5-ply, and the sides are 5/8" 5-ply, plywood construction. Shipping is Free anywhere in continental US.  No PO boxes! We make custom items too!