Simple to assemble and easy to useAllows for rotating the car cup holder base to fit in different car cup holdersMounts a tablet PC, smart phone, PSP, GPS device firmly with the manually stretchable designSuits for the device with the length of from 4.25 to 8.78 inchGrips device securely with built-in rubber cushions360 degrees adjustable structure and strong flexional gooseneck for a desired view angleEasy to access from the driver’s and co-driver’s seats