You asked for it. A lightweight, rifle-rated solution for backpacks. This particular design was created specifically to fit small to medium sized backpacks, brief cases, totes, purses, etc. It's an extremely versatile size that can easily be moved from bag to bag for different situations.
Special Threat Tested against the following calibers at a distance of 15 meters:
5.56×45 up to 3100 ft/s (with the exception of M855. UHMWPE plates can be vulnerable to this particular round)