Premier Body Armor's Level IIIA Ballistic Backpack Panels are designed to fit seamlessly into the laptop compartment of any backpack. This lightweight, and flexible soft panel will provide you and/or your loved ones with years of dependable service. It is tested to meet the NIJ ballistic standards for Level IIIA, is just .22 thick, and constructed of the finest USA made Kevlar and features a rugged 500 Denier CORDURA outer shell, and is TSA approved. Note: Pick a panel at least 1" smaller than the listed internal dimensions of your bag. This ballistic panel will fit a 5.11 Dart, Rapid Quad Zip, MIRA 2-in-1, and a Rush backpack.