Take the roam 25l daysack from eurohike on day trips to college or to work the 25 litre compartment is large enough for a4 folders and there are stretch mesh side pockets for anything you need easy access to its a useful size for travel and holidays too the back is padded for carrying comfort and it has a haul loop features large main compartment fits a4 folders padded back panel adds comfort on long journeys haul loop great for climbing use elasticated side mesh pockets ideal