A waterproof enclosure for use with personal music players has a case formed of a flexible material and creates an interior sized to receive a personal music player. The case in one example can have a first part and a second part that together define the interior The case can be opened to expose the...http://www.google.de/patents/US7775354?utm_source=gb-gplus-sharePatent US7775354 - Waterproof cover for personal music player
