One Tough Shield Hybrid 3-Layer Phone Case (Yellow/Teal) for Apple iPhone 4 4S - (Softball Green) Compatible with: Apple iPhone 4 4S 3-Layer casing. FRONT and BACK Hard Cover combined with Soft Silicone layer. The 2 outer layers are made with Rigid Polycarbonate Plastic protects against Scratches. The inner piece is made with durable silicone material. Shock Absorbing. phone is NOT included.