Elementcase Cfx Case for iPhone 7 Plus - Blue - The CFX features MERC 3 technology, combining genuine aerospace grade carbon fiber with rigid polycarbonate to create a reinforced chassis that resists twisting and bending. The reinforced chassis is co-molded to top and bottom crowns comprised of unique elastomeric TPU which provides superior impact protection. Features - Merc 3 Material Engineered Reinforced Chassis Engineered Composite Materials Reinforce A Polycarbonate Sub-Frame To Create A Chassis That Resists Twisting And Bending. - Carbon Fiber Reinforced Aerospace Grade Carbon Fiber Used In Merc 3 Reinforced Chassis Design. - Hit (High Impact Tpu) Crowns Co-Molded Elastomeric Tpu Crown Design Provides Extreme Impact Protection. - Fast Tap Buttons Protects Your Iphone Controls While Providing Quick And Easy Use Of Volume And On/Off Functions. - Mil-Spec Approved Cfx Meets Military Specification Drop-Test Requirements. What's in the box 1 X CFX Case