Children's pen bag is a kind of bag specially designed for children to store stationery. Cute patterns and colors such as cartoon characters and animals are usually used to attract children's attention and make them more willing to use. Children's pen bags are generally divided into multi-layer or multi-cell design, which can facilitate children to classify and store pencils, pens, erasers and other stationery supplies, helping them to keep stationery clean and orderly. At the same time, the children's pen bag can also be used as a gift for children, is a practical and fun gift choice.