100% Polyester of which 50% recycled polyesteranti-theft backpack;Combo version work backpack/travel bag;Anti-theft zipper with a TSA combination system located along the back seam;Inner pocket with RFID protection that protects your bank card;Padded stiffeners in the back;Padded adjustable straps and an adjustable chest strap;Two tie straps under the bag to carry jumpers and jackets;One side pocket with a USB port pocket fora powerbank connection and one with an anti-theft cable;Two zipped pockets on the straps;Removable padded shoulder strap;The main compartment of the bag is separated from the back compartment by a zipped mesh to hold clothes;The inner compartment can be used to store a laptop up to 15”and quilted storage for a table up to 11";Mesh pocket and two detachable zip pouches for cables and accessories;