The heavy-duty Kolpin ATV Legacy Lounger is made of black rotomolded and UV-stabilized linear low-density polyethylene and easily mounts to tubular or composite racks using four U-bolts and sealing washers (included) . Its large storage compartment easily fits two adult-sized helmets, allowing you to keep your gear protected when youre not riding. Includes a padded backrest, armrests and seat cushion that provide added support and cushioning.