●Made for mobile power bank with smartphone ●Proprietary giant size strap to attach the bag onto the bike frame ●Water resistant Tarpaulin to guard raindrops ●Frame-less touch screen window for full control of smartphone ●Ideally made use of power bank with smartphone during the ride ●Extra large compartment to hold cycling essentials ●Fits and holds virtually ALL smartphones ●One single proprietary giant size anti-slip loop and hook strap to attach the bag firmly on the bike ●Made of durable water resistant Tarpaulin to guard raindrops ●Frame-less touch screen window design to give fully clear access to the smartphone