Laptop backpack daypack suitable for unisex colour black style sporty capacity 17 litres weight 1 kg height 44 cm width 34 cm depth 16 cm max laptop size 15 inch features organiser padded back key holder waterproof zips pen holder water bottle pocket internal pockets padded laptop compartment tablet compartment glasses pocket inside pocket outside pockets side pocket front pocket straps padded shoulder strap main compartment feature fits a4 si