KAKA Terylene Fabric Backpack for 17-Inch Laptops - Gray Main material: This backpack is made of durable terylene fabric. The lining of the bag is water resisted, so it's not easy to get wet. Structure: A total of 10 pockets. 1 main zipper Pocket, 2 sides mesh pockets, 2 front zip pockets, 1 laptop sleeve, 2 inner small pockets and 2 pen loops. Approx Dimensions: 12" L x 22" H x 7"W Capacity: 35L (Large size fits most 17" Laptop.) Awesome Design: It's an awesome backpack that you will receive many compliments from your family and friends. Warranty: All of our bags have 1-YEAR WARRANTY. Any problems with your bag, please contact us. We will solve it.