Amzer Silicone Skin Jelly Case for Sony Ericsson Vivaz U5 - Black Fashionable & flexible Amzer Jelly Case for your new Sony Ericsson Vivaz U5! The Amzer Jelly Cases are made from durable premium silicone. Its special anti-dust and scratch-free properties, preserves your phones shining look. Helps to prevent your device from sliding on soft surfaces or angle surfaces. Precise cutouts give easy access to all the functionalities.