Operation is also very easy, just the wheel at the top on "open" position, insert iPhone and the turn back on "close" again tightly. An instruction manual is, however, also included.
Especially practical is the fact that can be operated by the Beachbag the touch function of the iPhone and it can be used on the beach without the risk of pollution / damage thus.
The Beachbag of Wicked Chili is a very meaningful and practical holiday gadget and highly recommended. Never beach vacation again without this useful accessory!