Square Extendable Bully Backpack | A.g. Spalding & Bros.

rubberized nylon/nylon material. external front pocket with internal organization for business cards, pens, phone. another external front pocket. large central space with internal zip pocket + another open pocket. in the center space closed by extendable zip that increases the space of the backpack by 6 cm. padded back pocket for computer up to 15.6. padded back with anti-sweat mesh and front for inserting trolley. ergonomic padded and adjustable shoulder straps. external left side pocket for bottle, other external right side pocket.