Stephen Joseph Boys Tractor Backpack and Lunch Box - Kids Bags Great for kids in daycare, preschool and kindergarten. Durable vinyl construction that is easy to clean. Roomy interior with zippered pocket to hold pencils and erasers. Has adjustable straps and hanging hook. Lunch box is fully lined and insulated. Easy to clean and BPA free Backpack - 12" wide X 13.25" tall X 4" deep. Lunch Box - 10" X 7.5" X 3".