Laptop backpack daypack capacity 34 litres height 51 cm width 35 cm depth 20 cm max laptop size 17 inch features padded back internal pockets mp3 player pocket laptop pocket outside pockets front pocket side pocket bag feature suitable as cabin luggage iata norm material synthetic fiber materialspezifikationen nylon polyester inner material synthetic fibre material properties water repellent material wheels none mobile phone pouch sunglasses p