Product OverviewNeed to take your phone or GPS out on the water? All you need is an Aquapac. With one of these ingenious but inexpensive cases you can strap your device safely to your arm, and it'll be 100% waterproof. And still usable.Take your phone/GPS with you when you go windsurfing or kite-surfing. Keep safe and in touch whatever the elements may throw at you, wherever you want to go, whatever you want to do.Product Features and BenefitsThe Aquapac is made of a thin but remarkably tough material called TPU. Thin enough that you can operate all the controls normally.The patented Aquaclip?? sealing system opens and closes with a simple twist of two levers. And everything stays in one piece even when open.The case is very light - only 1.9oz including the armband - so when not in use you can roll it up into a tiny bundle.What Size Do I Need?The smallest of our Armband cases will fit the iPhone 5 and similar sized devices.Extra StuffNote: Some devices can be quite sticky.