Anti-Theft Design: Soft durable waterproof PU leather with reinforced shoulder strap, improved zipper and all stitches in neat and orderly rows. Moreover, there is a pocket on the back of the backpack to protect your phone, ID card, bank card and other important items. Multi-pocket: There are 3 pockets Outside. One side zip pocket, one back zip pocket and one open pocket on the front. It is very convenient and you can sort your items well. Dimensions And Internal: 12.2L x 10.2H x 5.1W. The inside has 1 main compartment,1 back zippered pocket and 2 pouches. Please pay attention to the size reference on the image before paying for your order. Fashion Design: The main pocket is flexible drawstring design, it can be adjusted freely according to the volume of the object placed inside. 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. Large Capacity-Roomy enough to hold your A4 books, iPad, cell phone, wallet, umbrella, glasses case, cosmetic etc. P.S: This bag is not suitable for any laptop that is larger than 12.3 inch.