The Mobile Office provides room for all your road-warrior supplies, including file folders, notebooks, and pens. It also secures a 15-inch laptop.To buy: $35, amazon.com.
Made of plastic and chrome-plated steel, this sturdy surface holds up to 20 pounds. The plastic hooks switch easily from one seat to another, or even to the steering wheel, to hold the desk surface.To buy: $25, amazon.com.
This organizer attaches to the backseat of most vehicles. The mesh pockets make it easy to see stored items.To buy: $10.50, caselogic.com.
The main compartment holds three removable padded cubes, each with a zippered lid. To buy: $79, moosejaw.com.
This plastic crate holds up to 150 pounds, has a pull-up handle and wheels like carry-on luggage, and collapses to a three-inch thickness. With the lid on, it doubles as a seat or a step stool. To buy: $66, amazon.com.