The lightest weighted orthopedic Backpack in the world! * Brand New with Tags Very High Quality Backpack at "Back 2 School" SALE! * Full size - 16" backpack. 3 Options for use in 1 Bag! * ISS Standardized - Orthopedic Child Safe. * http://www.youtube.com/watch?v=2aEHSFTdT7w <-----First Look VIDEO