Metal Sticky Pad for magnetic car phone holder

This Sticky Pad is ideal for most of the magnetic Phone/GPS Car Holders. If you have already got a magnetic phone holder in your car, it is a good choice for your family or friends. And make their phone sit on your phone holder if they need in some occasion.

Diameter of the sticky pad:
Rectangular L*W???6.5cm *4.5cm
Round diameter: 4cm