Our NIJ IIIA bulletproof backpack insert allows you to easily and discretely make your existing bags bulletproof. It fits into backpacks, tactical bags, gym bags, briefcases, and more. Ideal for students, commuters, and public safety personnel who desire an extra layer of protection from random acts of violence while on the go. The ¼ inch semi-flexible panel is made with the latest DuPont Kevlar NIJ IIIA technologies, which means that it is safe, durable, and lightweight. These qualities allow it to be swapped effortlessly into different bags without ever compromising comfort or concealability.