Kuresta Waterproof Backpacks for Boys College School Bookbag Teens Book Bags Polyester. Proper for middle school, junior high school, senior high school, college. Perfect for service at school, work, travel, hiking. 1*outer zipper pouch, 1*inner zipper bag, 1*laptop compartment, 1*certificate pocket, 1*cellphone pouch. Dimensions: 19.7" Height x 13.4" Width x 7.9" Thickness