This black pannier has reflective accents that can also be used as a shoulder bag, it is made of water-repellent nylon. The bag can easily be attached to the luggage carrier with the clips on the back and has two compartments, one of which is special for a 15.6 inch laptop. The bag has a zipper and Velcro closure and has a transparent laptop protective cover. The bag is easy to carry by the handle or with the adjustable, removable shoulder strap. The back and bottom of the bag are reinforced. Specifications: Color: black Gender: unisex Material: nylon Closure type: zipper Fastening: hooks Capacity: 20 liters Dimensions: 41.6 x 5.8 x 51.8 cm (LxWxH) Weight: 886 grams Water-repellent: yes Removable: yes Reflection: yes