The Billabong Palms Shaka Backpack is a 31L bag, and is the perfect large school bag. The backpack features heaps of different compartment pockets. The large back compartment has a laptop sleeve and a large area that is ideal for books. The middle compartment has a mesh area to store stationery or other essential items - this pocket is ideal for a pencil case and lunch box. The front compartment has interior pencil slots and features a vertical front zip area which is ideal for a wallet. The bag also features padded shoulder straps and side mesh pockets for drink bottles.