DESC: Add simple and effective protection to your Apple iPhone 4S with the Otterbox Commuter Series Case. This case uses a hi-impact polycarbonate and impact absorbing silicone to protect your phone from bumps, shocks and scratches. The flat back design slides easily into your bag, pocket or purse. The cases uses silicone plugs for added protection to the iPhone 4S's ports. Self-adhering protective film included. Environmental Protection: Case provides added protection against bump and shock. Case is NOT protective against water. Part Numbers: APL4I4SUN20E4OTRA / APL4-I4-SUN20-E4OTRA Compatible with all Apple iPhone 4 (AT&T and Verizon Wireless), Apple iPhone 4 (white version) and Apple iPhone 4S devices.