Blackburn Wayside Backpack Pannier Great capacity on the go A functional, yet comfortable backpack that converts into a simple pannier. It is made from waxed canvas material that is water resistant, so you can rest assured your contents will stay nice and dry. The Blackburn Wayside Backpack Pannier features a padded laptop sleeve for added protection for your valuable laptop computer. It also features a large volume roll top design that gives more room for objects to be stashed. Blackburn Wayside Backpack Pannier Features Includes laptop sleeve and two external pockets that house organizers, pen/pencil sleeves, etc. Attaches to bike via robust hook and loop webbing | no hardware required and fit most bike racks. Daisy chain loop webbing provides extra opportunities to attach lights or other gear. 929g / 2.05lbs 19L / 1159 cu in Part #7068199 | Blackburn Wayside Backpack Pannier Black/Tan