New Otterbox Iphone 4 Impact Case Blue Durable Textured Skin For Grip Inner Coring Protection Otterbox iPhone 4 Impact Case - Blue. The OtterBox Impact Series is brilliantly designed with inner-coring, which is engineered to dissipate impact away from your iPhone. Pair that up with dual-layer, high-quality silicone, and you have a case that can handle any busy lifestyle. Durable textured skin for grip. A self-adhering protective film is included to safeguard your touch screen. Package Contents: Impact Case. Screen Protector. We does not handle Returns. Only if item was defective.