Corrosive substances are a health and safety risk, and should be properly marked. This warning corrosive substance sign is an easy way to be sure all are informed when corrosive substances are present or in use. An illustration of a corrosive environment and the words, “Corrosive substance” are printed in black on a yellow and white background. Sturdy and durable plastic construction. Manufactured in the UK by Jalite. Photoluminescent coating glows in the dark. Easy to fix using sticky pads, double-sided tape or other common adhesive. Two popular sizes to choose from. 200mm x 150mm or 100mm x 300mm.