Self-healing screen protection containing BulletShield, a high-performing impact material used in bulletproof glass. Featuring BulletShield, used in bulletproof glass, multiple layers spread out and absorb impact force stopping it passing through to your screen. A reflowing polymer surface layer smooths over day-to-day scratches, leaving your screen smooth and crystal clear. A semi-liquid polymer base layer self-adheres to your screen delivering a onetouch bubble free application. Designed to work perfectly with tech21 cases.