The Brady Pipe Marker - Caustic is a pre-printed pipe marker that identifies caustic piping systems. It has a flexible vinyl construction that conforms to irregular surfaces and resists fading, abrasion, extreme temperatures, chemicals, and UV rays. The marker measures 1-1/2" H x 5-1/2" W with a high-tack adhesive backing for easy installation. It meets ANSI/OSHA requirements for pipe marking and has a service temperature range of -40°F to +176°F. The marker comes in orange with black text reading "CAUSTIC" and has a 5-year outdoor durability. It is made in the USA by Brady, a leading manufacturer of safety, identification, and compliance solutions.