Giant's DX Trunk Bag attaches easily and quickly to almost any rear rack (sold separately) and includes a built-in rain cover that keeps your gear safe and dry. Inside, there are adjustable foam compartments to protect and organize your belongings. Use it to travel light and fast or expand the two pannier-style side pockets to carry as much gear as you need. A shock cord across the top of the bag gives you a convenient place to tuck a jacket or spare clothes while you're on the road. When you reach your destination this bag easily detaches from the rack and, thanks to the removable shoulder strap, is simple to carry with you.