Adjustable leather carrying strap, detachable, is attached to 2 extra metal eyelets near the handle. 2 large main compartments integrated into it - 1 zip pocket, 15 inch pocket, 10 inch pocket, 2 pen loops, 1 mobile phone pocket, 3 card slots, 1 highlighter pocket, 1 USB stick pocket. 1 A4 front compartment and A4 zippered front compartment under the wide leather flap. The best Italian leather - high quality, hard-wearing, pleasant to the touch, processed in an environmentally friendly manner, vegetable tanned.