The material of the cover is rubber with grooved edges
The protection of the glass surface is guaranteed by the rubber edges that are wider than the phone.
The back of the phone is protected by the printed inlay plate made out of the novelty, metal-free composite material.
So it´s possible to telephone, the surf and to use other applications like ApplePay without problems.
It´s possible to change the inlay plate.
For iPhone 6 & 6S