Backpack. Features include: Fabric: Recycled polyester fabric, Compartments: Interior laptop sleeves, Pockets: Zippered mesh pockets, Elastic side water bottle pockets, Interior pencil slots, Straps: Padded shoulder straps, Closure:Moulded and nylon mix zippers, Volume: 31 L capacity, Branding: Embroidered front patch, Other Features: Mesh back panel, .