KAKA Laptop Backpack for 17-Inch Laptops Main Material: This backpack is made of durable terylene oxford fabric, and the lining is waterproof, it's not easy get wet. Structure: A total of 10 pocktes. 1 Main zipped pocket, 2 small pockets in the main pocket, 2 front zipped pockets, 1 side mesh pocket 1 laptop sleeve and 3 pockets in the large front zip pocket. Approx Dimensions: 13" L x 22" H x 8"W Capacity: 40L (Large size fits most 17" Laptop.) Warranty: All of our bags have 1-YEAR WARRANTY. Any quality problems with your bag, please contact us, we will solve it. ibagbar: It's an awesome backpack that you will receive many compliments from your family and friends.