Industrial use LARGE Custom NFPA Diamond Labels - Peel & Stick.
1' to 4' wide Adhesive Backed for Outdoor Use.

These Huge NFPA Diamond Labels are Adhesive Backed and last 7 years outdoors, even in harsh environments.

Simply pick the Number you want in each of the top 3 boxes and Symbol you need for the bottom box.

The National Fire Protection Agency (NFPA), in section 704 of the National Fire Code, specifies a system for identifying hazards associated with various materials. Proper identification of such hazards is essential for anyone who needs to handle such materials, and emergency responders.