説明This backpack is made with reflector material on the triangular pieces, causing the entire bag to reflect立体的に when light hits it in dark places. It has a metallic appearance in bright light. The design is a square, three-dimensional shape. It is a convenient size, not too large, and can be used by both men and women. In addition to the outer pocket, it has a zippered inner pocket for valuables like wallets and keys.
