Big enough to hold textbooks, lunch, a laptop, & more. These durable nylon packs have a large interior space with a smaller interior pocket. Exterior has a large front pocket and two side pockets. Padded back panel and shoulder straps. PVC free, lead free, phthalate free & BPA free. Sized for ages 5 to 10. Machine washable. Size 14 x 15 x 5.5".