JanSport Elefunk Messenger Backpack Bag nylon Zipper closed large compartment with A4 pocket and padded back Zipper closed organizer under front flap Twin side pockets Water bottle sleeve Shoulder strap - adjust to fit Capacity: 24 litres Material: 600D Poly/420D Velocity Size: 41cm x 33cm x 13cm Weight: 0.69 kilo