Jansport Super Break Backpack , Dark Grey , Rose Material: Polyester Dimension:(W) 12.2" X (H) 16.1" X (D) 4.7" = (W) 31 cm X (H) 41 cm X (D) 12 cm Strap length: approx 81 cm Outside pocket: 1 , Inside pocket: 0 . Capacity: 25L