Laptop backpack daypack suitable for unisex colour purple style sporty capacity 20 litres weight 09 kg height 50 cm width 32 cm depth 155 cm max laptop size 15 inch size of laptop pocket 35 x 24 x 4 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 ergonomi