Our Impact Shield with Self-Heal screen protector for Galaxy S5 Mini contains an advanced multi-layer system. A hard top layer spreads the impact over a wider surface area whilst a second layer, Bulletshield? featuring BASF polymer found in bullet proof glass, absorbs and dissipates impact. A final third soft layer dampens force and further absorbs impact protecting your screen with the most intelligent impact protection yet. An advanced self-healing anti-scratch layer created with reflowing polymer completes the world's most advanced S5 Mini screen protector. Advanced protection with multi-layer system; Easy bubble and glue-free application; Self-heal Anti-Scratch layer created with reflowing polymer; Perfect optical clarity and non-UV yellowing