With KolorFish backseat mobile device mount, you can convert your car's headrest into a convenient storage space and device holder. This mount is compatible with all smartphones, iPads, tablets, E-Readers, GPS. Note: tablets require dual mounts. For those of you that are nervous about the magnets strength - we have included a silicone security band that can ensure your smartphone will not shake off while you are the bumpiest of roads. I am sure after a few drives you will throw the silicone band in the glove box. Package includes 1 multi-function hook, 2 metal plates