This motorcycle bag is with wide applications, suitable for most motorcycles. It is waterproof and wear-resistant, expandable large capacity suitable for medium and long distance motorcycle travel storage. Features: Fixing position designed with metal retainer buckle, won't loosening in bumpy road. Reflective printing for safer night riding. The main fabric is 1680D oxford, with strong tensile strength, wear resistance, high density and splash-proof performances. The bottom is made of waterproof, abrasion-resistant and antislip leather, which can prevents it from sliding and shaking. And can be washed with water directly when it gets dirty. Multi compartment classified storage, no clutter, more convenient to take and place items. The removable inner bag is made of enforced polyester fabric with waterproof rating of PU6000mm, and the seams are designed with thermal welds waterproof rubberstrips that can effectively resist rain. It will keep your luggage dry in unpredictable weathers. Both side can be expanded and contracted. Multiple insert hole to carry more. Fully expanded capacity up to 50L, contracted 35L. When contracted, it will reduce wind resistance, suitable for short trips. When expanded, more items can be accommodate to it, suitable for long riding. This bag is rackless, can be simply fittes with four straps. It is double-side upward-angle shaped. So it will keep a distance from the exhaustpipe even when fully eapanded. With handle for easy carrying of the bag. Specifications: Main color: black Main material: 1680D polyester fiber+mesh+plastics Capacity: 35-50L Item size: 720 * 400 * 310mm / 28.3 * 15.7 * 12.2in Package size: 400 * 380 * 100mm / 11.8 * 15.0 * 3.9in Package weight: 1600g / 3.5lb Packing List: 1 * Motorcycle Rearseat Bag 2 * Buckle 4 * Fixing Belts