The Enni backpack is made of black nylon satin with light vachetta leather details. It has adjustable shoulder straps and a zipper closure. There are two pockets on the inside, one of which has a zipper. Also includes a zipper pocket in the front and a zipper pocket on the back for safekeeping of small items. About vachetta: Vachetta is natural leather, which is left untreated after vegetable tanning. With sunlight and age, the natural leather will darken, developing a unique, beautiful patina.