Introducing Rifle Resistant Plate for Backpacks
A Level 3A Insert will offer you about as much (and sometimes better) protection as your average textbook. If you’re seriously considering a bulletproof (bullet-resistant) backpack insert than you need something like the Ultra-Light Plate.
Level 3+ protection, 11″ x 12″ and weighs less than 3 pounds.
To learn more:
Bodyguard Shield Ultra-light Plate