Thermos 14-Ounce Insulated Travel Mug, Black Safety First : Highly durable, and scratch resistant - surface hardness 9H-harder than a knife. Shatter-proof membrane ensures glass sticks together even if broken. Easy to install : Simply remove the protective film and apply it to your screen. Installation only takes a few seconds. It can be applied without any air bubbles, leaving you with a crystal clear screen. Perfect Fit : Specifically designed for iPhone 6.1 inch and promises full compatibility with touchscreen sensitivity, as well as supporting 3D Touch. Crystal Clear : Ultra thin-0.25mm thickness is reliable and resilient. Ultra-clear High Definition with 99.9% transparency to allow an optimal, natural viewing experience.