A. The school bag is made of materials like waterproof nylon canvas. It is durable, sturdy, and lightweight, making it easy to carry. There are cute little green teddy bear decorations on it, and there are three colors available for selection. B. The stylish monochrome aesthetic backpack has soft wide shoulder straps that can help reduce the burden on your shoulders. It has a multi - layer structure inside and several external bags, which can generally meet your needs. It weighs only 0.45kg and can be considered a nice handbag. C. The backpack has a capacity of 32cm x 13cm x 40cm. It is suitable for teenage boys, younger boys, or women to carry books and stationery. It is a college laptop backpack with a computer compartment, 2 side pockets, 3 front pockets, and 1 back zipper pocket. It can assist with office work, study, or travel. D. This classic basic travel backpack is suitable for teenagers and adults for daily use, travel, picnics, school, etc. It can also be a good gift for your loved one.