The 2in1 Halo ring stand is made of metal with adhesive back that adheres to all smartphones, tablets and additional attachment option to attach to the car for navigation use. The stand is ideal for watching movies, video chats on your phone as well as the optional car attachment is great for GPS navigation and much more. Stand can rotate 360 degrees for vertical or horizontal use with strong adhesive hold can hold up to 8.5 lbs great for tablets.