These soft edges prevent any cuts on your hands and also prevent your screen from shattering. Give your phone and hands extra protection so you don’t ever have to worry about a shattered screen from drops or bumps. 3D Curved Edge that is Case Friendly: The 3D curved edges offer a case-friendly fit ideal for curved screens. The narrow border around the screen protector guarantees perfect compatibility with almost all phone cases even with the silicone edges. Expect complete edge to edge coverage. Reduced Damage with 9H Hardness: 9H hardness level that is highly durable and effectively prevents sharp objects such as keys from damaging the screen.