Laptop backpack daypack colour black weight 095 kg height 546 cm width 343 cm depth 216 cm max laptop size 173 inch size of laptop pocket 49 x 29 x 3 cm features chest strap padded back internal pockets mp3 player pocket laptop pocket mobile phone pocket valuables pocket outside pockets side pocket straps ergonomic shoulder straps bag feature suitable as cabin luggage iata norm material synthetic fiber fabric specification polyester inner