TUDIA LITE TPU Bumper Protective Case for Nokia Lumia 830 (Black) Material : High Quality Thermoplastic Polyurethane TPU rubberized gel silicone skin case for Nokia Lumia 830 Extremely durable and provides a soft comfortable grip for Nokia Lumia 830 Soft touch feel on a durable flexi shell cover. Raised edges design helps protect the display screen from scratches when placed the device face down Unique design allows easy access to all buttons, controls and ports without having to remove the case