The back of this bag has a trolley sleeve with RFID protection. This allows you to slide the bag over the handle of a larger bag and move the two bags as one. It is RFID blocking to help keep your ID, credit cards and passport safe Durable polyester Makes the bag lightweight but able to withstand travel This bag has a padded laptop compartment so that you can travel with your electronic devices safely It has the versatility of using the large bale handles to carry it or attaching the straps to use as a backpack. Has two large stash pockets on either side of the bag, as well as two zippered pockets on the front Like new, only used once for travel on the plane.