it is an instant ergonomic desk.while not in use,you can store in the back seat pocket .
Very light and sturdy enough to support a lunch,laptop and notepad.
it can hold up 4.5KG
Size:42.1cm*28.6cm*2.1cm/16.62 inch*11.1 inch * 0.85 inch; Color:Black
It can only be applied to the steering wheel with a circumference of 10.3cm-11cm (4.06-4.33inch). This size covers about 90% of the steering wheel.