The Saddlemen TR3300DE Deluxe Rack Bag is a 3300 cubic inch expandable bag made especially to fit on virtually all trunk-mounted or stand-alone racks. A perfect blend of rugged materials make this luggage tough, weather-resistant and long lasting.; Big, easy-open top for quick packing Expandable by 2" Zipper-removable side backpack Internal office organizer and key clip Mesh internal pocket to keep items separately organized from your other cargo Secure bungee cord on exterior of lid for quick-to-grab items such as a jacket Secured handheld mirror in front pocket Rain flap helps to keep your cargo dry and offers additional space for holding your gear Seven exterior zippered pockets Top carry handle and shoulder straps included for easy carrying Constructed of UV-, water-, and weather-resistant 1200 denier SaddleTuff and leather-like vinyl panels Fully rigid construction; looks great even when empty Universal strap mounting system designed for easy attachment to trunk or separately mounted luggage racks Rain cover included Dimensions: 24" W x 11-1/2" H x 12" D