1.Please Note: Designed for Samsung Galaxy A5 2017. Not A5 2015 / A5 2016 2.9H Hardness Surface: Anti-scratch 0.3mm ultra thin Rounded Edge design with High-Definition Clarity up to percent light transparency. 3.5X Enhanced Tempered Layer - Made by special Heat Tempering Technology, the ESR 9H tempered glass screen guard provides 5 times stronger resistance against shattering and cracking than regular tempered glass products. 4.Oleophobic Nano Coating - Creates an oil resistant, anti-fingerprint surface that is easier to clean and protect against dirt, dust and sweat effectively. 5.Superior and Smooth Feel : The edge is polished by complicated machine for many times,providing a smooth operating feel and preventing the glass edge from scratching hands. Fingers glide across the protector as freely as with your original glass screen.