Rack-top bag made of tough 600-denier polyester * Easy Velcro mounting system attaches to rear bike rack * Fully insulated main compartment for cool drinks or food * 420-denier ripstop nylon outer pockets; reflective piping * Rear light clip for safety; 830 cubic inches of storage Avenir by Raleigh is the premier bicycle accessory line from legendary Raleigh Bicycles. Haul along your bike gear without wearing a cumbersome backpack with the Avenir Excursion rack-top bag. The Excursion is made of tough 600-denier polyester, with an easy Velcro mounting system that attaches securely to your rear bike rack. The large main compartment, meanwhile, is fully insulated, letting you haul along cool drinks or food on long bike rides. Other details include 420-denier ripstop nylon outer pockets, reflective piping along the top, and a rear light clip for extra safety. The Excursion rack-top bag offers 830 cubic inches of storage space.