High quality PU leather, smooth and delicate texture, durable in use. It's a beautiful and simplistic design leather drawstring closure backpack There are 3 pockets inside of the backpack: One zippered side pocket (6.3" width x 4" deep),two open-top pockets (4.5"x 3.5" and 4.5"x 3.5") The back has a medium size zipper pocket, big enough to fit standard size smart phone 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 Adjustable strap Length: 37" fully extended, 21" Shortened 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.