We introduce to you one of the most innovative snap-on cases for iPhone 4 4S- A great combination of polycarbonate and silicone. We use the finest materials to create this case: The case part is made of silicone, which gently protects the iPhone 4 4S from scratches and impact. The headphone jack and charging port are covered with silicone, which prevent dusts from entering into the ports, and when you want to use the ports, simply slip the silicone parts open. On the top of the silicone case is a removable polycarbonate cover that sprayed with rubber coat, which is anti-fingerprint, dust proof, and provides a comfortable grip. The side of the case is slightly higher than the iPhone4 screen, so the case can not only protect the side of your iPhone 4 4S, but also your screen. Compatibility: iPhone 4 4S AT&T and Verizon and Sprint Materials: This snap-on case is a great a combination of silicone and polycarbonate, which derived the "virtues" of both materials. The case part is made of silicone, the soft material gently protect the back-side of the iPhone 4 4S. The headphone Jack and charging port are capped with silicone pads, which prevent dusts from entering into the ports, and when in use, simply flip the silicone pads open. On the top of the silicone case is armored with a removable polycarbonate cover, and is sprayed with a layer of metallic-look rubber coating, which makes the case anti-scratch, fingerprint-proof, and dust-resistance Protective: This case does not add bulk to the iPhone 4 4S. The rim is slightly higher than the iPhone 4 4S screen, which protects the screen from scratches when putting it face down on the table. The Removable polycarbonate cover adds extra protection to your iPhone 4 4S.