Pu Leather Polyester lining Zipper closure 11.81" shoulder drop FASHION DESIGN: This cute bookbag purse is a beautiful and fashion design backpack with two back straps and one top handle strap. The unique and fashion style is easy to go with, you can carry it when you go to school, college, office or go shopping, traveling and dating. UPDATED VERSION: This anti-theft backpack is made of high quality PU leather with reinforced shoulder strap, improved zipper and all stitches in neat and orderly rows. All handbags have passed anti-shock & wear-resistant tests. STRUCTURE: fashion purse backpack has 1 zippered back pocket and 4 interior pockets (1 main open pocket for big stuffs, 1 zippered pocket on one side for daily necessities and 2 inner pockets on the other side for small items). The 2 outside zippers on both sides of the backpack can help extend the space inside.