Our Duet backpack includes an attachable matching kids lunch box that clips to the outside of the backpack so you don't have to worry about your child forgetting their lunch. The backpack has a main compartment with laptop sleeve, large front pocket with internal organizer (2 pouches, zipper pocket, key clip) and 2 side water bottle pockets. It also includes a padded tablet/laptop sleeve that fits most tablets and laptops up to 14 inches. The insulated lunch box measures 9 x 8 x 3.5 inches and holds a sandwich, snacks and drink. Plus, it has an internal mesh pocket to hold napkins and utensils. This durable kids backpack and lunch box set is made of heavy 600D ripstop polyester with reinforced stitching and sturdy zippers for durability. The waterproof fabric coating resists water to keep your stuff dry. Measures 16 x 13 x 6 inches. At J World New York, we stand behind our products 100%. If you have any issues with this kids backpack, we will make things right.