tissue of tweed of 100 nylon % that offers durability, style and resistance to long term stains. The handle and the rivet in her of the figure 8 are made of full grain leather of high quality. The capacity of enlargement with zipper in the bags giratorias vertical to a additional capacity for acquisitions along the way. The wheel design revolutionary incorporates wheels rolling covering of hardened steel shell to the stability and maneuverability. Bag of zippered side in the bags and belt the additional bag in the lower seat allows for an transport easy with the hands free when used with a bag with wheels.