3 transportation options: back pack, trolley or carry handle.Total of 6 zipped compartments, including one for backpack straps which can be stored away securely.Padded laptop compartment with Velcro fastening, accommodating laptops up to 15.6" in size.Phone, card, key & pen holders.Telescopic trolley handle with two height settings and a comfortable rubber grip.4 smooth-glide wheels for unlimited freedom movement.Padded, adjustable and breathable shoulder straps.Wrap around lumber protection.