This is a large enough bag for city and travel use. Its bottom and details are made of 2 mm thick bull leather. We have provided the ability to reduce and increase the volume of the bag. Just move the carabiner to the desired location. Long top handles and a strap across the body make the bag very comfortable to use. Durable and bright lining. Zipped interior pockets. There are two type canvas from which the bag is made: waxed and stonewashed. Please indicate your choice when ordering.