1.Please Note: Designed for iPhone 7 and iPhone 8. 2.9H Hardness Surface: Anti-scratch 0.33mm ultra thin Rounded Edge design. 3.5 x Enhanced Tempered Layer - Made by special Heat Tempering Technology,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.