What is the difference between the 'Full Adhesive' version vs 'Non-Full Adhesive' glass protectors?1. The "Full Adhesive" version has an adhesive layer on the entire surface of the screen protector. The installation is simplified with an alignment tool and the bubbles are easy to push out. This product adheres better to the phone in the long run. Installation tutorial is available?here.2. The "Non-Full Adhesive" version have adhesive only on their edges, which can make them more vulnerable to shocks. The transparent surface having no adhesive. Installation tutorial is available?here.With its 9H hardness rating, the RhinoShield 9H Tempered Glass Protector provides superior scratch protection against everyday objects such as keys, coins, and even knives. Tempered glass also provides moderate resistance against drops.The protector is precisely contoured to the edge of your device? curved screen for a more subtle look. A water-and-oil repellent coating provides resistance against grease and finger smudges, without interfering with the screen? touch or pressure sensitivity. The protector has 99% transparency, so optical clarity is not compromised.