The Giant H2Pro Handlebar Bag has dual roll closures and an air bleed valve allowing you compact and flexible storage capacity. With a three-point attachment fastening system designed to securely stabilize the pack in the center of the cockpit as well as eliminate abrasion issues the H2Pro Handlebar Bag also has a headlight attachment reflective strips to increase visibility as well as an extension attachment for the H2Pro Accessory Bag.