Polyester Imported Polyester lining ??MATERIAL??-High quality PU leather, smooth and delicate texture, durable in use. It’s a beautiful and simplistic design leather drawstring closure backpack. ??DIMENSIONS??-There are 3 pockets inside of the backpack: One zippered side pocket (6.3 width x 4 deep),two open-top pockets (4.5x 3.5 and 4.5x 3.5) The back has a medium size zipper pocket, big enough to fit standard size smart phone. ??TOP?? -Top opening is expandable with the 2 side zipper and it’s approximately 12.5 wide with side zippers unzipped or 9 wide with side zippers zipped. ??STRAP??-Adjustable strap Length: 37 fully extended, 21 Shortened. ??LARGE CAPACITY??-It is quite roomy and plenty of space to carry all you daily essentials. It is advertised as a girl’s schoolbag however it is stylish and roomy enough for various ages. This bag is the perfect size to carry around everything you could need for a little day trip to an amusement park or the city.