Easy to understand graphic symbols clearly explain when an ABC powder extinguisher should and shouldn't be used. This ensures ABC powder extinguishers are used only in the proper circumstances. Constructed of durable PVC and finished with a photoluminescent, glow-in-the-dark coating for high visibility even in darkness. Manufactured by Jalite in the UK. Sold in packs of ten. Each measures 50mm x 130mm and is self-adhesive for easy wall mount.