Laptop backpack daypack suitable for unisex colour black style sporty capacity 20 litres weight 09 kg height 50 cm width 32 cm depth 155 cm features key holder reflective elements pen holder organiser chest strap hip strap padded back internal pockets mp3 player pocket laptop pocket mobile phone pocket outside pockets side pocket additional fastenings bungee cord straps ergonomic shoulder straps main compartment feature fits a4 size bag feat