3 Pack eTECH Collection Tempered Glass Screen Protector For Apple iPhone - Transparent Crystal Clear (iPhone 4/4S) Ultra Strong: Real Glass with Scratch-Proof Hard Coated Surface [9H Hardness] resist sharp objects like knives and keys. Ultra Clear: Oleophobic Coating and Chemically treated with crystal clear transparency. Ultra Sensitive: Glass is only 0.3mm thick keeps 100% touch sensitviity. Ultra Easy: Super easy to install. No bubbles, No fuzz! Warranty: 1 Year Factory Replacement Warranty