説明This messenger bag is made with reflector material on the triangular pieces, causing the entire bag to reflect three-dimensionally when light hits it in dark places. In bright light, the metallic texture of the material is apparent. It features a wide opening and ample storage. The strap is cushioned for comfort and is adjustable. A zippered pocket on the back is convenient for storing valuables like a wallet or keys. It can hold a4 documents and a 13-inch laptop.