Keystone ECO W4-BLU-002 NautiCase IP54 Environmental Protective Case for iPhone 4S/4 - 1 Pack - Retail Packaging - Blue/Black Shock proof, sand/dust proof and splash proof. IP54 certified. 3-layer integrated one-piece design, no assembly needed. Full touch screen and phone functionality. Access to all buttons including the mute button. Redesigned sound channel for echo free voice transmission. Enhanced lens protection allowing glare free flash photography. Hard impact hard shell with durable rubber skin & textured bumper for firm grip and shock absorption. Holster holds phone face in or face out and with built-in stand.