TUDIA Full Matte ARCH TPU Bumper Protective Case for Sony Xperia M4 Aqua (Dark Blue) Material : High Quality Thermoplastic Polyurethane TPU rubberized gel silicone skin case for Sony Xperia M4 Aqua Extremely durable and provides a soft comfortable grip for Sony Xperia M4 Aqua 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