Cell-Nerds NerdShield GRIP Case and Anti-Glare Screen Protector for Samsung Galaxy S5 (Black on Lime) New external Impact Resistant Polymer design offers a better grip and dissipates the heat created by the battery during phone calls. Impact resistant polymer as a first layer of protection over a second layer of high grade silicone. All ports remain accessible while the case cover is installed. The extra cushioning on all 4 corner points offers impact energy absorption protecting the glass and inner LCD screen against drops and bumps. High Quality Matte Antiglare Screen Protector included. ( Easy Installation )