Laptop backpack daypack suitable for unisex colour blue capacity 24 litres maximum volume 24 weight 091 kg height 47 cm width 305 cm depth 17 cm max laptop size 156 inch features chest strap reflective elements internal pockets laptop pocket outside pockets side pocket front pocket mesh side pockets additional fastenings safety light loop straps padded shoulder strap bag features waterproof base water resistant material fastener zip carr