PC material back cover with silicone combination cover. Detailed Product Description:For PC Back Cover With Silicone Combination Cover iPhone 4S/4 case (colorful)1. lower price with high quality2. fast deliveryFor PC Back Cover With Silicone Combination Cover iPhone 4S/4 case (colorful)1). Anti-dirt, washable, perfect aesthetics2). Unique design allows easy access to all functions without having ...