Our glass screen protector is strengthened through a specialized tempering process making it highly impact and scratch resistant. The smooth feel of the glass mimics your device while repelling smudges with an anti-fingerprint coating.The AT&T Tempered Glass Screen Protector qualifies for a lifetime replacement program, so if your screen protector ever scratches, cracks, wears out, or is damaged, we will replace it with another for as long as you own your device.