Here is a more economical option I think I might try. $269.99
http://trucktoys4less.com/cargocaddy.html
Mid-Size
Exterior
Width Depth Height
37.75" 32.25" 10"
Interior Drawer
Width Depth Height
33.75" 30" 7"
All Models will hold a maximum weight of 150 lbs (EVENLY DISTRIBUTED) on top of Cargo Caddy
Material used is Low Density Polyethylene ~ Same as stadium seats or playground equipment