Main material: nylon Material Details: smooth grain faux leather Metal details: gunmetal finish Zip closure Removable shoulder strap: L135cm Outside details: front pockets with zipper, L18cm x H19cm; hidden rear pocket, L16cm x H15cm Inside details: front compartment, pocket L31cm x H30cm, smartphone pocket, 3 pen compartments, elastic pocket Rear compartment, two pockets for digital devices. Details: removable shoulder straps Strap for carrying on a trolley Size: L32cm x H41cm x D14cm