Kids love it! This is a work car backpack designed by Dump Car Excaver Bulldozer. The colorful design is attractive and will make you enjoy going out or excursions. The body is made of canvas material and the bottom is made of PU leather for added strength. The exterior has a zipper pocket and mesh pockets on both sides, making it convenient to sort small items. The shoulder part has an adjustable chest strap to prevent slipping. B5 size can be stored with room to store 16.9 fl oz (500 ml) plastic bottles, lunch, snacks, and cups. Great for a variety of occasions as well as everyday outings. Please note: The measurements are measured by samples, and there may be slight differences between the actual product. ●Please note that the images do not show 100% of the actual colors. The image is a sample photo and the actual product is of the same shape and color, but please understand that there may be slight differences in the product.