TMC James Glow in Dark Blood Type Patch (B+ / Olive Drab)
This patch contains user's blood type info for easy reference
Patch comes with Velcro materials at the back and user can apply to anywhere they want.
Can attach to body armor, tactical vest, harness & any BDU with Velcro End
B POS Version (The white lettering being the glow portion - luminous glow green)

Diameter: 30mm