Here is a video of a billboard created using high index reflective glass beads. Only the light from the cars is used to illuminate the message. Very creative way to market any product. During the day it looks like a regular blank billboard. But a night the high index type 3 reflective glass beads uniquely drive the message home! Nice! https://colesafety.com
Billboard sign using reflective glass beads! Awesome way to advertise!
####This billboard sign was most likely made using high index reflective glass beads. CSP
