KAUKKO Lightweight School Backpack Casual Daypack Laptop Bag HIGH QUALITY & DURABLE MATERIAL.This backpack is made of Linen Oxford cloth and its lining is polyester, which is durable in use and easy to clean. The straps and back side comes with protective padded design, easy and comfortable to carry throughout all day. LARGE CAPACITY & STUFF ARRANGED TIDILY. The dimension of the travel laptop backpack is 11.42" L x 17.72" H x 5.5"D Capacity: 18.27 L (medium capacity). Laptop compartment fits up to 13-14" Laptop, The Surface/ Laptop/ Charging treasure/Phone/Pen/Notebook/Wallet/Umbrella/Books/Folders can all be taken in. REINFORCED BOTTOM which ensures the base of the backpack securely protected. Adjustable padded shoulder straps (45-90cm), tighten and loosen easily.Pockets for water bottles on both sides. Enables you to carry not just one but two bottles of water. Good handfeel and LIGHTWEIGHT shoulder bag. It is suitable as daypack, school bag, hiking back pack, travel bag pack, etc. NO-RISK WHEN ORDER. KAUKKO-Direct promise 6-months warranty. Changing or Refunding (within 60 days). Any problems with your bag, please contact us. We will solve it. 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.1-2cm error margin is reasonable because of various surveying methods.