Laptop backpack daypack suitable for unisex colours purple blue style casual capacity 21 litres height 50 cm width 30 cm depth 17 cm max laptop size 15 inch internal pockets laptop pocket outside pockets front pocket mesh side pockets additional fastenings safety light loop straps padded shoulder strap main compartment feature fits a4 size bag feature suitable as cabin luggage iata norm material synthetic fiber fabric specification 600 d poly