NATHAN SpeedView Hydration Handheld Flask Manage your phone, apps, and music with a see-thru, weather resistant pocket; Fits iPhone 5,4 and 4S, and Galaxy S3 and S4 Zippered pocket with see thru conductive touchscreen keeps essentials like money, phone, and keys protected Earbud hole for easy wire access 18 oz. / 535 ml Speed Draw flask with race cap offers quick burst of fluid Internal elastic pocket keeps money and ID organized