Unbreakable and flexible screen protector. It is thinner and stronger than tempered. Fully transparent with no impact on visual display, It does not break. Latest technology in watch screen protectors - impossible screen protection. This is not a tempered glass. Rather this is an improved glass sheet that is unbreakbale and thinner than tempered glass. Scratch Proof and gives 100% protection to your screen. Don't go by the thickness of this product