Lifetime Warranty If your InvisibleShield ever shows signs of wear, we'll replace it, no questions asked.Military Grade Created from resiliant film first used to protect U.S. Military helicopter blades.Display Type Supported: LCDDisplay Size Supported: 7Device Supported: Tablet PCFeatures: Nano-Memory TechnologyFeatures: Abrasion ResistantFeatures: Self-healingCompatibility: Samsung Galaxy 4 7.0 Tablet PCLimited Warranty: Lifetime"