InvisibleShield Smudge-Proof Screen Guard for Samsung Galaxy S4 - Retail Packaging - Clear Clean and Clear: Helps diminish the appearance of smudges and fingerprints, so you can always see your screen clearly Lifetime Replacement Warranty: If the InvisibleShield is ever damaged, ZAGG will replace it Military Grade: Created from a resilient film that was first used to protect U.S. Military helicopter blades Nano-Memory Technology: Features unique properties to provide self-healing and unrivaled abrasion resistance