SGP iPhone 4 Case Linear Color Series [Gunmetal] Fully compatible with GSM (AT&T) / CDMA (VERIZON) iPhone 4. Snap-on style, composed of 3 separate pieces : upper frame, Lower frame and back cover. Available in 11 Colors you can mix 66 diffrently colored pieces and express up to 1,452 different styles Steinheil Ultra Crystal Screen Protector (1PC) included.