Our roll top backpack is crafted from waxed canvas. It has an outer zippered pocket as well as can inner pocket. It is perfect for your large project or as a bag for your day trip. The outer part of the tote is constructed from Halley Stevensons waxed cotton, making it water resistant. The waxed canvas only gets softer with use! High quality interfaced linen fabric is used for the lining and the contrast fabric. The tote can be carried by the small handles at the top as a tote or as a backpack. The handles are leather. The hardware used is brass. It measures approximately 17 by 15, an almost 5 inch wide bottom.