This Access Rucksack has a main compartment with a padded laptop panel. The laptop sleeve dimensions are 12"h x 11"w x 1"d, and fits most 15" laptops. There's a front zippered rucksack flap, and there's a luggage trolley pass through on the back. The Solid colors are 600D polyester canvas, and the Heather colors are 600D heather polyester. Complies with CPSIA.