Dimensions: 31x16x46cm/12.2 x6.3x18.1 inch Large Capacity: Large, multi-compartment design, 5 separate different size pockets with high quality zippers; 2 side pockets made by main fabric with mesh , provide for daily necessities storage and organization High Quality：With strong metal zippers pullers, easier to grip and control. Lightweight and durable material, provide great protection against dust, tear-resistant, scratches, and abrasions for backpack Logo: Exquisite embroidery logo Function Details as blow: 1>Lots of storage pockets and compartments 2>Large main compartment with inside lining pocket 3>Organization pocket with key hanging is convenient for you to organize and carry your pencils, pens, note book or mobile phone, cables etc. 4> Comfortable airflow back design 5>Comfortable EVA padded shoulder straps and release too much weight; 6>Reflective strip at shoulder straps, when the headlight of car shine on the reflective logo, it will emit strong light for all sides protection; Pattern printing: Exquisite fashion print pattern, it is very suitable for teen-agers as school backpack, daily used, short travel etc.