Designed with strong durable 1680D polyester fabric with reinforced seams for everyday use. Three compartments for extra storage and organisational space. USB charging port for the convenience of charging your phone on-the-go. 24 ( l ) x 23 ( w ) x 45 ( h ) cm 1680D polyester 25L volume Features include: three compartments for extra storage concealed front zipped pocket padded laptop compartment, fits up to a 15.6 inch laptop padded mesh back panel for extra comfort padded adjustable shoulder straps padded mesh side pocket for easy access to your water bottle USB charging port lockable zip pullers for independent locks padded carry handle with reflective Swiss Cougar