Item Details Accuform Signs 18" X 4" Black, Red And White Glow-in-The-Dark Vinyl Safety Sign "Fire Extinguisher Do Not Block" identifies and indicates the potential, type, and degree of hazards that may lead to accidental injury or property damage. Features Flexible photo-luminescent vinyl Exceeds 6+ hour glow rating Glow-in-the-Dark meets ASTM for Photo luminescent Safety Markings Resistant to abrasions, moisture, UV light, and various chemicals Permanent acrylic, adhesive back...