The shield is well thought out with two protective films around the screen to be placed on the phone. It does not interfere with the reactivity of samsung touch. For cons, the installation is quite difficult; of course it does not cover the entire front of the phone, just a little more than the screen; and bubbles are a real nightmare (but I think this problem is fairly standard)! Overall a product that holds up. The cloth must be against by 5 cm by 5 cm ...