Rebecca Minkoff Convertible Backpack Leather and Canvas, Clean GUC Black Leather One zip pocket inside, two slip pockets Snap and adjustable closure Tassel detail Can be worn as backpack or over the shoulder. Mansfield Backpack There is some slight wear on the canvas corners but it is minimal. The upper part is 100% genuine (pebbled) leather and the lower part is canvas. The strap can be a single strap when zipped or you can make it double by unzipping it. Pull tie closure with a flap that snaps over it.