Laptop backpack daypack suitable for unisex colours black grey style business capacity 33 litres weight 09 kg height 44 cm width 31 cm depth 25 cm max laptop size 17 inch size of laptop pocket 37 x 28 x 5 cm features key holder waterproof zips reflective elements pen holder organiser padded back internal pockets padded laptop compartment outside pockets front pocket straps ergonomic shoulder straps padded shoulder strap compression straps ma