The Randonnee Aero provides waterproof storage for a vacation or a quick trip to the office. NOTE: All Axiom Panniers come with one bag packed inside the other Waterproof, ultrasonically welded 600D polyester is strong, light and durable Waterproof external main body pocket, rear pocket, and an internal pocket for valuables Suitable for rear rack use Includes extra hook, hardware and shoulder strap Item Specifications Color: Black/Gray Total Volume: 2441 in^3 Weight: 1587.5g Defined Color: Black