The BulletBlocker Defender Notebook Folio is perfect for any student, commuter, or workplace professional that desires an extra layer of bulletproof protection that is both practical and stylish. Using the latest DuPont Kevlar technologies, the zippered folio provides the same NIJ IIIA protection found in all of their products. Level IIIA is designed to stop a .357 Magnum, .44 Magnum, 9mm, .45 hollow point ammunition and more. The panel surface area provides more than 100 square inches of ballistic protection. The anti-ballistic panel is sewn discreetly into the genuine leather folio so you never have to worry about compromising comfort or concealability. The lightweight bulletproof notebook is ideal for anyone who wishes to effortlessly enhance their safety each day at school or work. The outside of the folio measures 13.75″l x 10″w x 1″d and it weighs approximately 3 lbs.