Portable Dark Boxes by Black Art Woodcraft
Black Art Woodcraft offers portable wet plate dark boxes suited to fit your needs.  Features paneled construction.  Inside a whole plate dark box that features cubby shelves.  The shelves can hold paper toweling, camera inserts, trays or whatever else you deem useful.  The silver box can be positioned in the center of the dark box or offset to the left or right by 4 1/2" for a 8x10 silver box and 3" for an 11x14 silver box.
Portable Wet Plate Dark Box Gallery