This bag is unique and handcrafted. The exterior fabric is 100% recycled cotton and the lining and handles are made from high quality quilting cotton fabric. The seams are all enclosed and the bottom of the exterior is boxed to give depth and a flat bottom. The size is 38cms/15inches square. The length from the top of the straps to the bottom of the side is approx 73cms/29inches. It will comfortably sit on the shoulder.