Main material: This backpack is made of 95% high density cotton canvas and 5% genuine leather zipsnStructure: A total of 9 pockets. 1 main zipper Pocket, 2 sides pockets, 2 front zipped pockets, 1 inner zipper Pocket, 1 Laptop compartment pocket and 2 open inner pockets.nApprox Dimensions: 11.5u0026#34; L x 17.5u0026#34; H x 7.5u0026#34;W Capacity: 25L (Fits most 15u0026#34; Laptop)nWarranty: All of our bags have 2-YEAR WARRANTY. Any quality problems with your bag, please contact us, we will solve it.nAS A GOFT. such an awesome backpack that you will receive many compliments from your family and friends.nThe laptop backpack adopts durable nylon fabric and fits most 14 15.6 inch laptop. The dimension of laptop compartment is 13(L)*4.5(W)*19.5 (H) Inch /33*11.5*49.5 CM. ---UNIQUE ANTI-THEFT FUNCTION:Adopts two-way anti-theft zipper; a big and a small pocket in the back of our backpack make bag more safe. ---HIGH-CAPACITY:Our this backpack can put 3 thin suits,ipad,15.6 inch laptop,glasses,unbrella,notebook and so on. The capacity of our backpack go beyond your imagination. ---ERGONOMICALLY DESIGNED£º"s" Shaped shoulder straps,stick to your body closely,breathable and comfortable. We are very honored that you choose our business laptop backpack. we focuses on the quality and services.Your satisfaction is our service purpose! Believed our this slim laptop backpack can meet your different demands.Choose our product,make you satisfied,hoping our products bring you convenience in your life! Notes: 1.The actual color of the backpack maybe have little different from the picture due to the different screen of display or reflecting light when shooting. 2.1-2 cm error of measuring is a reasonable range due to different measurement methods. 3. This series of waterproof laptop backpack, can only be used in Drizzle days, heavy rain can not be used, easy to be wet.