100 % polyester. Of which 50% recycled polyester. Combo version workwear backpack/travel bag KI0889.The ideal travel companion, this bag has a combination TSA anti-theft zip fastening along the rear seam for added security. It also protects your belongings thanks to a side pocket with an anti-theft cable to attach your bag to a table or chair leg and an inner pocket with RFID protection that protects against the fraudulent scanning of your data on a chip card or your credit card.This comfortable bag has padded reinforcements on the back, padded adjustable straps and an adjustable chest strap for easy carrying, two tie straps under the bag to carry jumpers and jackets, two side pockets, one charging pocket on the side with a USB port pocket for connecting the device to be charged and a micro USB port (cable included) on the side of the bag for a powerbank connection. This clever bag boasts two zipped pockets on the straps and a detachable padded shoulder strap that turns it from a backpack into a travel bag. The bag’s main compartment is separated from the back compartment by a zip fastening mesh to hold clothes. The back compartment can be used to store a laptop up to 15" and padded storage for a tablet up to 11", a mesh pocket as well as two removable zipped pouches for cables and accessories.