Extra-large capacity trunk bag with divided main compartment, multi-stage expanding top Panels on both sides expand out into panniers Insulating rigid molded EVA foam side panels Velcro straps model (attaches to rack with straps) 420 denier nylon fabric for rigidity and water repellency Includes carrying handle, shoulder strap, 3M reflective strip, taillight clip, bungees, water bottle holder Model: MTS Trunkbag DXP Mount: velcro straps Capacity: 1380 cu in (22.6L) Dimensions: 36 x 25 x 21-29cm Weight: 900g.