Acetylene can be hazardous. Display a warning acetylene sign to alert of its presence. Yellow and black imprint on white background. At the top, a large exclamation mark inside a yellow safety triangle. Beneath “Warning acetylene” is written in bold black text. Photoluminescent coating glows in the dark. Rigid and high-quality plastic construction. Manufactured in the UK by Jalite. Easy to affix to most surfaces using any common adhesive. Your choice of two popular sizes. 200mm x 150mm or 100mm x 300mm.