Laptop backpack daypack suitable for unisex colour blue style vintage capacity 20 litres weight 07 kg height 50 cm width 40 cm depth 20 cm max laptop size 15 inch features padded back internal pockets valuables pocket laptop pocket outside pockets side pocket lid pocket straps ergonomic shoulder straps padded shoulder strap bag features suitable as cabin luggage iata norm padded base materials synthetic fiber cotton material properties wa