The Jansport Big Student 6 Zipper Backpack JS0A47JK is a large, solid black backpack made of 100% polyester. It features a zipper closure and a spacious interior with dimensions of 13″ width, 17.5″ height, and 7.5 to 10″ depth. This unisex kids backpack is designed by JanSport and has a stylish backpack design, making it a practical and fashionable choice for carrying belongings to school or on-the-go activities.