1. MATERIAL --- The bag is made of nylon, features tear-resistant, scratch-resistant and durable performance, capable of protecting your belongings.2. DIMENSION --- 10.6*2.75*8.66 inch (27*7*22 cm ). The child-size backpack is perfect for children to go to school or traveling, etc.3. LARGE CAPACITY --- Can be put into nappies, baby wipes, bottle, clothing, books, food and more. Either your kids are going to school with books or going on a travel with toys. It is an ideal choice.4. STRUCTURE --- The school backpack is easy to open and close, smooth zippers can help little kids open and close the bag easily.