The Keystone ECO MarineCase is a waterproof case specially designed for iPhone 4S/4. It is slim and compact in size. Enclosing the iPhone in the MarineCase allows you to capture non-flash images and video underwater up to 20 feet/6 meters. The clear protective silicon cover of the MarineCase supports full iPhone screen and call functionality. You can playback, email, text data, use apps, and more without leaving the water. It is the ideal protective case for swimmers, skiers, kayakers, white water rafters, snowboarders, boaters, fisherman, or any iPhone users who expose their phones to environments that prone to contact with water. The IP58 certified MarineCase protects the iPhone from snow, rain, dust and sand.