Use as a wallet to slide into Jersey or mount phone on bike. Sealed, nearly waterproof case made of urethane protects your phone from the weather and sweat. Clear window allows device visibility and operation (can talk on phone while in DriKASE).. Mounts easily & securely to stem or handlebars. Removable mounting strap so you can use while you are not biking. Removable pad so will accomodate big and small phones. Will work with Iphones (TM) in or not in a case and Samsung Galaxy 3 (TM), among others.