T-Bags Baja Bag Made of tough 1680d nylon T-Bag branded rubber bottom for stability and durability V-shaped 3"" expansion system provides extra storage when needed Reflective safety strip for night riding Outside organizer pocket for maps, phones, keys, etc. Roomy side pockets can hold two water bottles Padded Backpack straps stow in their own zippered compartment Exclusive coil zipper mounting loop adjusts to fit all backrests 7"" to 14"" wide, no velcro or elastic to wear out Built-in bungee bottom external rain cover for all weather protection Rigid design maintains shape when empty Luggage rack required Dimensions 19"" h x 14"" w x 3"" d Capacity unexpanded 1.0 cu ft Capacity expanded 1.2 cu ft V-shaped gusset expands 3"" Click Here for Additional Luggage Information