COLORS: 5 colors available SIZE: 45*30*20cm This schoolbag has a main compartment, which has a large capacity and can hold small laptops, iPads and all kinds of books; There aresmall compartment sinsidethe main compartment, and it is equipped with a zipper, which can place valuables and is not easy to be stolen; The schoolbag is closed by a flap. The flap is equipped with two leather buttons, which is classic and fashionable; There is a pocket on the outside front of the schoolbag, which can place paper towels, towels, etc. there are zipper pockets on both sides. Multifunctional schoolbag. COMFORTABLE DESIGN: The adjustable shoulder straps of the backpack is equipped with massage mats to make you feel comfortable when you use it and to ensure it doesn't pinch your shoulder. The shoulder strap is also equipped with a special card pocket and hook for glasses. The airflow back was designed with thick but soft, multi-panel ventilated padding to give you maximum back support. DURABLE MATERIAL: Made of canvas and polyester with high quality smooth zippers and reinforced stitching for lasting durability. multi-functional work bagpack to carry on items, college/high school big student backpack for boys, girls, teens, adults.