Medium capacity with insulating rigid molded EVA foam side panels 420 denier nylon fabric for rigidity and water repellency Divided main compartment Two mesh side pockets for extra capacity Rear water bottle holder Velcro straps model (attaches to rack with straps) Includes carrying handle, shoulder strap, 3M reflective strip, taillight clip, bungees Model: Trunk Bag EX Mount: Velcro straps Capacity: 480 cu in (8.0L) Dimensions: 36 x 21 x 19cm Weight: 530g.