Size:ONE_SIZE  |  Color:Black11 [Material and size]:The schoolbag is made of high-quality polyester and cotton, which is lightweight,ultra-strong,durable and comfortable.Size:16.5"H X 11.4"W,Big capacity, fit for your school, college, outing, sport, playing use.[Design]:The backpack uses stylish, advanced 3D printing technology to make personalized galaxy pattern realistic, vivid and not easy to fade.[LARGE CAPACITY]:The large capacity can accommodate large books,large area or high thickness of the book can be perfectly acceptable,perfect for the A4 paper.The side mesh bags can receive a temperature cup,cans and other kinds of drinks can also receive all kinds of small things.[FEATURES]:The shoulder belt is made of reinforced pearl cotton cushion material,which can effectively relieve the pressure on the shoulders.The shoulder strap adjusting buckle made of high quality rubber,it has a strong and durable-effect ,and it is smooth and smooth.The Backpack using high quality two-way pull head,not easy to shell,longer life.[APPLICATIONS]:This student backpack is big enough to load your books,lunch box,pencil box,water cup,umbrella.School,college,high school,outing,sport,travel,hiking,camping, hunting,trekking,cycling or other outdoor activities,shopping,packing,placing computer,laptop,iPad etc,great for students going to school,college and casual day use.