A fully-featured expandable trunk bag with multiple organizer pockets and dividers, top-load bungee and mini pump mount Blend of 850D and 600D polyester; red interior liner improves internal visibility Lightweight, universal Velcro attachment system attaches to top of rack Expandable top and side pockets for increased capacity Insulated design helps to protect cargo from heat/cold and minimizes vibrations Other features include a moveable internal divider to keep gear organized, Internal mesh pocket in lid, and Internal rain cover storage pocket Velcro Straps 1135 c.i. Grey/Black XXX-Large (700+ c.i.)