FireFly ® Signs - Notice Do Not Block Door
- Reflects brighter after 60 min. of blackout
- Reflective at night
- Can be used indoor or outdoors
- Measures 7"H x 10"W
Signs are visible in virtually all conditions thanks to their photoluminescent, reflective and fluorescent qualities. Prismatic materials reflects more brightly after 60 minutes of a blackout. Reflective at night, even when wet. Use indoors or outdoors. 7"Hx10"W. Aluminum signs have four mounting holes. Specify sign type: self-adhesive poly or aluminum.