Amzer Silicone Skin Jelly Case for HTC EVO 4G - Purple Fashionable & flexible Amzer Jelly Case for your new HTC EVO 4G! The Amzer Jelly Cases are made from durable premium silicone. Its special anti-dust and scratch-free properties, preserves your phones shining look. Precise cutouts give easy access to all the functionalities. Installation and removal are very easy.