Don't miss a single alert or phone call with the Nathan QuickView Water Bottle carrier. The conductive plastic window allows you to control your phone without taking it out of the carrier so you can text or answer phone calls on the fly. In addition, an ear bud opening was designed into the construction of this carrier so you can listen to music or take a phone call and not have to hold the phone up to your ear. Another internal zippered pocket is large enough to carry small snacks or keys while you are out on your run. The carrier was designed to carry a 22 oz water bottle and the Tru-Flex bottle that comes with the carrier is BPA free and dishwasher safe. Stay connected and still get your workout in with this smart phone compatible water bottle carrier.