Bayan Car Headrest Mount Holder for 7 Inch to 9 Inch Swivel Portable DVD Players Works well with Swivel Portable DVD Player with thickness no more than 4.5 cm / 1.8 Inch Heavy duty elastic Velcro strap fits most adjustable headrests and achieves secure mounting No protruding and fragile plastic parts. Works well on airplane tray Easy to install and remove