Metal is not an option due to wireless charging. Compared to plastic, glass feels better in your hand. You can feel the stiffness and thermal conductivity of g

Metal is not an option due to wireless charging. Compared to plastic, glass feels better in your hand. You can feel the stiffness and thermal conductivity of glass. The surface is more durable against minor wear, scratches and dirt. After a year it still will feel new, whereas a plastic one will be worn and scuffed.