OtterBox DEFENDER Series Case w/Belt Clip For Apple iPhone 5C - Glacier The OtterBox Defender Case (Glacier) for your Apple iPhone 5c provides heavy duty protection from rough treatment in the worst environments for your mobile device. The OtterBox Defender Case defends against drops, dust and damage without taking away from the interaction of the Apple iPhone 5c's features. The OtterBox Defender case is made of clear protector membrane, high-impact polycarbonate shell and durable silicone. All buttons are fully functional through the case. Exposed silicone corners dissipate impact away from your device with added bump and shock protection. Silicone plugs provide access to audio jack and USB port.