This is a two-layer case for iphone4. Containing two parts---plastic shell and silicone jacket, our shockproof case can have your cell phone case well protected, and the two-layer design can give you better protection than any one-layer case. There are five colors of plastic shell for you to choose---black, coffee, red, pink and yellow; we got two colors of silicone jacket---black and white. If you need, we also can do customer design.