Heavy-duty polyester construction reinforced by arched steel frame Weatherproof seal keeps contents dry and dust free Zipperless, fully-removable lid opens five different ways Front pockets Internal organizer pockets Removable padded seat Expandable drink holders Top bungee straps Measures 16" H x 36" W x 19" D Not for use as a seat while riding.. REAR RACK BAG ARCH BLK