dvd head rest screens (cheap solution)

[yourtoys7]

I'm looking for cheap dvd screen (need 2), something I can place over head rest for 2 kids to watch. I'd like to remove when not in use on trow them on when taking longer trips. What do you guys use for your kids???

[8520]

My work sells these -

http://cartoys.com/Default.cfm/p/Roadview_RHM_7_0B_7_Inch_Headrest_Monitor_with_DVD __Black_/

I've put them in an b5s4 and an b6a4, and they didn't look that bad.