IdentiFire™ Safety Products are 100% Made in AMERICA. Our Photo-luminescent material is specifically made for IdentiFire Products. They feature 3M Retro-Reflective and our photo-luminescent (glow in the dark) material that is molded together to withstand the harshest environments. These have been tested by firefighters, for firefighters. Glow in the dark will recharge from any light source. It should last for 20 hours on a full light exposure. The new generation 2 photoluminescent material is now brighter more durable and more heat resistant.