Kids Backpack: Bluey Sky school backpack great for ages 4 and up Spacious: Measures 16.5"x13"x6.25" with 18L Capacity School Ready: Features a padded tablet sleeve, a large zip-closure front pocket, a zip-closure stash pocket, and two expandable bottle sleeves on the sides Durable: Made from easy-to-clean polyester and built with padded, adjustable shoulder straps with reinforced stitching and buckle US Patented