No Smoking Sign: this sign is commonly used in hospitals, industrial facilities, and laboratories to avert fire hazards. It clearly informs people that smoking is prohibited in areas with active oxygen use, Durable Material: the smoking regulation sign is made of vinyl with pressure sensitive adhesive backing and can be mounted on smooth, curved or irregular surfaces. The material is ideal for long-lasting indoor and outdoor application, Clear Visibility: the sign has the legend “NO SMOKING - OXYGEN IN USE” in clear, bold letters to ensure easy visibility and readability even from a distance, Clear Visibility: the sign has the legend “NO SMOKING - OXYGEN IN USE” in clear, bold letters to ensure easy visibility and readability even from a distance, Sign Muscle: this smoking prohibition sign has NMC Sign Muscle coating to protect the text against fading, scratches, scuffing, and moisture. The UV-cured, clear coating creates a strong bond and also boosts the color and clarity