One Tough Shield &reg; Hybrid 3-Layer Phone Case (Black/Green) for Apple iPhone 4 4S - (Keep Calm / Softball Green) Compatible with: Apple iPhone 4 4S 3-Layer casing. FRONT and BACK Hard Cover combined with Soft Silicone Case. The 2 outer layers are crafted out of high quality hard plastic. The inner piece is made with a durable silicone material. Shock Absorbing. Phone NOT Included