Designed to fit perfectly between the rider and the Tour pack of the back seat, bringing a whole lot of function to your ride.; Constructed of UV-, water and weather resistant 1200D Holds shape even when empty Multiple oversized mounting rings around the bag overcome unique mounting challenges 4 external pockets Integrated Molle attachment mounting option Strong, nylon meshing zipper teeth with black sliders equipped with large pulls for easy use with a gloved hand Reflective rain cover with locking cinch cord included Measures 4,100 cubic inches Dimensions: 18-1/2" H x 21" W x 19" D