Size:16.5 "X12" X6 "(42cmX31cmX15cm)Specifications：Material: Polyester .Lightweight Backpack only 1.04 pounds.Carry Way: Shoulder, HandleProduct Features: Polyester backpack made of eco-friendly, soft and fashionable, classic and minimalist design really stands out from the crowd! It is made of high-density twill composite cloth, which is strong, wear-resistant, tear resistant, scientific and reasonable design to meet your travel or school needs. The inner compartment can classify your items, the main pocket can hold clothes, books and magazines, and the inner zipper pocket can hold small valuables for easy access and security. The side bag can hold umbrella or water cup. The shoulder strap is provided with a buckle for fixing, and the buckle can be buckled when the shoulder strap is carried, so as to avoid the slip of the shoulder strap. A large capacity main pocket with a compartment and a zipper pocket. There is a patch bag on each side. There's a zipper pouch at the front. The shoulder belt is provided with a buckle for fixing.Generous enough to accommodate the magazine,computer, tablet, glasses, wallet, keys, earphone, power bank, cell phone, document and clothes. It will be a perfect work travel school bag for Men, Women, Teens, Boys and Girls, Elementary School, Middle School, High School and College Student. Also as a stylish Nappy Backpack, Baby Diaper Backpack for Dad or Mum.Due to different measurement methods, the error within 1-3cm is normal. Not as after-sales treatment.