Hook the WheelMate Instant Car Desk to the bottom of your steering wheel while parked and you have a sturdy work surface in seconds. Perfect as a writing platform or can even be used as a tray for eating on the go. Measures 15” wide and extends out 8.5”. Light enough to carry and sturdy enough to support a notepad, lunch or even a laptop. Easily stores behind or under your car seat when not in use.