OtterBox Preserver Series Waterproof Case for Samsung GALAXY S4 - Retail Packaging - Glacier (White/Gunmetal Gray) Polycarbonate shell Along with internal foam and a synthetic rubber overmold safeguards your phone against damage. Compatible with Samsung Galaxy S4 cell phones for a custom fit. Built-in plastic screen protector Shields your phone's display from scratches and smudges. Blocks dust and debris particles and can be safely submerged in up to 6.6' of water for up to 30 minutes (IP-68)., Port covers Offer reliable defense while maintaining your device's functionality. Protects your device against drops up to 6.6'. Please make sure case is being put on the device/s correctly. Steps are to take the case make sure it is closed. SIt case in water with object on top and leave in for a couple minutes. Take case out and open it up. If no water is inside then test passed.