One of the best waterproof cases for your iPhone 4 is the Amphibian fromInnoPocket. Most cases will protect your iPhone 4 from dust the Amphibianalso protects from sand and water. Amphibian's 2-in-1 design is the only waterproof case with inner shell that can be used as an everyday polycarbonate hard case. This molded poly carobonate inner shell is rigid and crush proof making the case durable and strong. The silicon jacket and its dump out corners will further protect your iPhone 4 from accidental drops. Amphibian i s the ideal solution for all outdoor users. From golfers to yachterz, mountain bikers tokayakers, it provides a level of protection and performance previously unavailable in other cases. The Play-through design allows for full touchscreen functions. Cutout at the back the camera will let you to take underwater pictures and videos with your iPhone 4. Please use external flash, if you want to take photo in the dark theinternal flash will have back scatter problem with the case. When operate the phone underwater, you need to fill the space between the screen and silicon jacket with air. Features:Patented waterproof, protective and slim form fitting design. Polycarbonate inner See-Thru shell for everyday use. Silicon jacket for added drop protection. Make and receive calls like normal phone. Touch screen works though waterproof case. Allows for underwater pictures and video. Compatible with both original iPhone 4 and Verizon iPhone 4.