proHolder.4 is a universal car seat headrest mount specially designed  for your tablets and devices alike. With easy to install, adjustable knobs and rubberized arms to keep it from damaging your car interior, this durable and reliable headrest mount can keep your device safe and secure while you enjoy all the features it offers. proHolder.4 can be attached between the driver’s and passengers seat which make it just perfect for backseat viewing while offering stable and secure protection for your tablet.