Corning Gorilla Glass screen protection,The Gorilla Glass can protect the S4 screen,also can use as touch screen fluently like the original screen. * shockproof Dustproof face waterproof,Waterproof(mean can face water resistant,and rain proof,but not put in water) + dust resistant acoustic port protection * 9mm Silicone Impact Truss (patent pending),3.5 sealed aluminum port cover * After your S4 installed in the case.you will not need to take out it again. All the buttons can press,all the holes can see,also can charger,takes phone. can hear clear when you call somebody.So cool * Fashion design, easy to put on and easy to take off.have the screwdriver to remove/install the screw on the side of the face