The altura grid 20l backpack is packed with handy features very lightweight with plenty of room for room for daily essentials the main compartment provides room to carry along a laptop or tablet fitting up to 13rsquorsquo the pack also features an external u lock pocket which fits up to 230mm locks so handy to carry around a lock for when you get to your destination plus pockets keep all your daily essentials safe throughout your day the chest strap hip belt and comfortable shou