Brad,
Smoked plexi anchor/splashwell cover: 18 1/2" wide x 12 1/2" high mounting holes for hinges are on the right side.
Fish box door is 35 1/2" x 17 34/"
plastic boxes are 11 3/8" x 6 7/8" at the widest point just under the flange
Cushion dimensions are below. Dimension could vary an inch or so depending upon how tightly you piece them together
