12 15 16 inch little kids backpack toddler backpack with a chest strap, inner name tag, and water bottle pockets, simple and plain design, suit size for a preschooler, kindergartener, and 1st to 2nd grade elementary school students. Fits 3 4 5 6 7 years old boys or girls Fabric: Made of water-resistant Polyester material, easy to wash and clean Double zipper closure main compartment, front pocket, plenty of room to store books, pens, crayon box, pencil pouch, spiral notebook, snacks, and toys 2 Side mesh pockets for water bottle. Padded shoulder straps, adjustable buckle can offer a comfortable fit for your little son Lightweight and 3 sizes to choose from, suitable for children of different ages to school. Small toddler backpack suitable for children aged 3-6 years old boys. With the main compartment and front pockets for storing kids' essentials such as books, toys, pencil pouch, snacks, and water bottle so on.