This 3-layer case is made of hard pc+ soft silicone. A soft silicone inner case tightly grips to your phone while absorbing shocks and bumps. Simple Snap-On design polycarbonate hard-shell case perfectly secure your device and easy access to all buttons, sensors, and ports. Package: 1x hybrid case for apple iPhone 7 Plus. Please note: Accessory only, phone not included how to install? 1.Put your phone inside the silicone layer case. 2.Put the silicone layer case into the back cover 3.Snap the plastic bumper on the silicone back cover.