OXA Canvas Laptop  Backpack, Black Main material: This backpack is made of 95% density washed cotton canvas and 5% genuine leather zips. Structure: A total of 9 pockets. 1 main zipper Pocket, 2 sides mesh pockets, 2 front zipped pocket, 2 inner pockets, 1 zippered pocket, 1 laptop sleeve and 2 pen loops. The large front zip pocket can hold your ipad or kindle. Approx Dimensions: 12" L x 18" H x 6"W Capacity: 25L ( Fits most 15 inch laptop ) Warranty: All of our bags have 1-YEAR WARRANTY. Any quality problems with your bag, please contact us, we will solve it. OXA: It's such an awesome backpack that you will receive many compliments from your family and friends.