ZAGG InvisibleShield HD Case Friendly Film Screen Protector for Samsung Galaxy S7 Advanced clarity: ultimate HD clarity combines with a glass-like Surface for protection that looks as good as it feels. Military grade: powerful components, designed to Protect military helicopter blades, deliver Unmatched impact and break protection. Self-Healing: Nan-Memory technology: Scientifically formulated with Smart molecules to heal from Scratches and dings over and over. Lifetime guarantee: if your invisible shield HD ever gets worn or damaged, ZAGG will replace it for as long as you own your Device. ** VERY IMPORTANT** Please Note: Kindly refer the Installation Video before use which is very essential. Refer user manual below.