With this 3D magnification optical glass, the screen of the mobile can be seen 3 times larger. The folding design is lightweight and easy to carry, you can enlarge the pictures / videos of your mobile up to 8.5 inches, does no harm to the eyes, can be easily used on all types of mobile phones, it is made with ABS + PVC material folding design, 18.3 x 14.3cm size.