Eiger Complete Protection - 3D GLASS The Case Friendly Eiger 3D GLASS features a slightly smaller cut for an optimal fit when used with a phone case. It offers the same high-quality materials and protection as the standard GLASS range but uses a special process, enabling it to be curved to match the device's screen it is protecting. Designed to Fit with your Phone Case Eiger 3D GLASS has been designed to use with all kinds of case to ensure there is no lifting. Featuring a slightly smaller cut, it offers an optimal fit when used in combination with your phone case. 3D Sonic Sensor The Full Screen Eiger 3D GLASS will work with the 3D Sonic Sensor. Fully Rounded Edges 3D GLASS is even more rounded than the standard GLASS screen protectors, giving you a smooth rounded edge which looks and feels great. Eiger 3D GLASS offers extra protection and blends seamlessly with your smartphone. An.