KAUKKO Lightweight Backpack Casual Travel Daypack Causal Backpack Shoulder Book Bag Multipurpose Daypacks black DURABLE&GOOD QUALITY:High Quality Nylon Lining makes the backpack soft and comfortable.It can protected your things in the humid environment.The straps and the back of the backpack is both well padded, making it comfortable to wear all day. PLENTY SPACE & GOOD ORGANIZATIONDimensions:11.8*5.5*17.3(L*W*H).Weight:1.4LB.Capacity:18.4L.Can easily fit in a 15laptop.Plenty space to hold lots of stuff for computer or daily necessities , such as books,ipad, calculator, pens, pencils, cell phone, cards, tissues, MP3 player, etc. APPLICATION:It's convenient for all occasions.The computer compartment make sure it's safe to carry the laptop all day.Adjustable padded shoulder straps (45-90 CM ), tighten and loosen easily. NO-RISK WHEN ORDER : KAUKKO promises 6-months warranty. Exchange or refund (within 60 days). If you have any problem with the backpack, please contact us. We will do everything we can to solve the problem for you. COLOR DIFFERENCE & MEASUREMENT:The real color of the bag may differ from the pictures due to different light conditions when taking pictures and different screen setting. 1-2cm error margin is reasonable because of various surveying methods.