Laptop backpack daypack suitable for unisex colour green style vintage capacity 30 litres weight 121 kg height 52 cm width 29 cm depth 15 cm features removable seat raincover water bottle pocket padded back internal pockets laptop pocket outside pockets front pocket side pocket bag features suitable as cabin luggage iata norm padded base materials cotton synthetic fiber fabric specification g 1000 65 polyester 35 cotton material properti